You could make the same arguments about all the resources in game.
- I would argue food is, if anything, easier to transport than energy. At least food doesn't really decay until its expiration date. Energy starts decaying immediately in any form you transport it in. Any container of energy will immediately and inevitably bleed some energy out to the environment.
- Ships aren't faster because they happen to be carrying minerals, it takes the same time to transport no matter what.
- Again, most likely true for all resources. Local areas in real life are focused on resources but not exclusively like in game, so while it makes sense to have agri-worlds for example there is no real cause for there to be viable planets with not a single consumer goods factories, alloy forges, etc.
- It's not like logistics wouldn't play a factor for getting minerals from your mining world to your forge worlds, or your energy worlds to the rest of your empire. So maybe we want a logistics system. Okay, but why does that mean we can't have food in game? It would certainly be an interesting way to help keep ecumenopoli from being OP, if you had to work out shipping costs because all the consumer goods in the world mean jack squat in the wrong place, but it seems it has nothing to do with removing food specifically from the game.
Sure,
if you made it a local resource, but it's not, and it shouldn't be. Food is, on earth, shipped all over from productive regions to less productive regions. The Ukraine was the breadbasket of Russia, the Midwest supplies the entire US and more, Gaul and Africa fed the Roman Empire. All of these are cases where food isn't kept locally. The same logic applies in Stellaris, it's just on a larger scale. Instead of moving from one region or continent to another, it moves from one planet to another.
Food is harder to stockpile, and it isn't stockpiled to large extent in modern world. Stockpiling and managing food would be a thing in medieval strategies, not in futuristic strategies. Food is shipped because it is cheaper to grow in some regions than other, and because labor is cheaper in some regions than others. But it is possible to grow food almost everywhere, as there is less infrastructure needed than for forging alloys or precision manufacturing, and that's why almost every country has farms but only a few have means to manufacture computers and aircraft.
Points 1 and 2 are already practically moot issues with today's technology. Points 3 and 4 contradict each other, I'll let you work out how.
Point 5 is precisely the point of having both Local and Empire-wide resources: some deficits will affect only one planet, others will affect the whole empire.
Sure, if you make food a local resource... then yeah, it becomes largely redundant with amenities and you've now manufactured a reason to just fold the two into the same thing. But then you've just resurrected the issues that people were complaining about in that older thread you linked (where people were calling for the elimination of food.) They tried local food way back when, and they didn't like the effect it had on the game.
Also, thematically, amenities are a different thing from food. Food is what you eat to avoid starving, Amenities are things like basic* health care and sanitation. Shoveling them both into the same bucket is like crapping where you eat.
Points 1 and 2 are actually issues if it takes 3 years to travel from agriculture world to capital world. How do you keep salad or meat fresh if it has to travel for 3 years? The only thing you would be able to ship for so long is grain, and for stockpiling food for years you would need even more inventive technology. Meanwhile hydroponics already exist, and
now it is even possible to grow meat in lab:
link,
https://en.wikipedia.org/wiki/Cultured_meat . This is the technology that exists right now, and it is even sustainable as of right now.
Point 3 and 4 don't contradict each other if you think about futuristic empire. Capital world would have a massive infrastructure that could also house underground hydroponic farms and meat labs, rural worlds could have an undeveloped infrastructure that doesn't provide enough necessities.
We have CG that work as empire-wide resource already. Just imagine if food was renamed to "pop upkeep resource" and had "pop upkeep districts", well people would scratch their heads as to why they have to manage consumer goods and "pop upkeep resource" and why they just can't have one resource that does the same job.
Somehow it is the word "food" that triggers everyone because people can't think outside the box and instantly assume that food should be one of the main resources because other strategies also have food.