The fact that you are categorically against any discussion, points to some spiritualist ethos empires that are very rigid and bend over the complete annihilation of blobs.
Your reasoning failed to persuade me, but now that you've added an insult I have seen the error of my ways.
Seriously though, if you're going to be throwing around that accusation, you may want to look into a mirror. We HAVE engaged you in discussion, you're just not getting the discussion you wanted. You wanted to discuss possible positives to go along with the negatives, instead you got a discussion about whether sprawl should even have positives, which you assumed is a given, but clearly many of us disagree. And we have provided you with logical arguments of why sprawl shouldn't provide bonuses, namely that blobs already have massive advantages and that sprawl was implemented to combat snowballing and is supposed to represent the bad side of size.
You get sprawl from owning systems and owning systems by itself already has inherent advantages. You get sprawl from districts and having districts already has inherent advantages. You get sprawl from colonies and those too already have inherent advantages. And finally you get sprawl from having pops, which also have a lot of inherent advantages. Everything that creates sprawl already makes you stronger and better in many ways. And the advantages are inherent in the things that create sprawl. Every possible advantage that could come from empire size already has a better thing to be based on than sprawl. Intimidation? Fleet power. Economic strength? All the pops and districts. Diplomatic weight? All the things that currently give you diplomatic weight. Trade bonus? Economic strength. Countering effect of distance on diplomatic acceptance? Diplomatic weight.
Because all the things that create sprawl already make you stronger, empires with high sprawl tend to be stronger, more influential, and more intimidating than empires with low sprawl. And so there is no need for sprawl to provide positives because empires with high sprawl already have all the positives that would come from being big. And I am yet to hear a counter-argument to this core point I've been repeating throughout the thread.
And nobody is talking about "complete annihilation of blobs". All sprawl does is slow down the rate at which you gain new traditions and technologies. It doesn't make you weaker, it just slows your progress. But as long as you maintain efficiency bigger empires still research faster than smaller ones, even with the sprawl penalties.
1000 sprawl -> 200% tech costs
2000 sprawl -> 300% tech costs
If the double-size empire has 2x as much research it will research technologies 33% faster than the half-size empire. Example: the smaller empire has 1000 Engineering research and the bigger one has 2000 Engineering research. They both research an Engineering technology with a base cost of 10.000. For the first empire the cost is doubled to 20.000 and divided with 1000 research that gives 20 months research time. The second empire would instead have to spend 30.000 research to get the technology, but it has 2000 research, so it only needs 15 turns to research the technology.
The empire with half less sprawl needs 33% more time to research the same technology and that is with sprawl penalties.
And a 4000 sprawl empire with 4000 research would have to pay 500% cost and would need 13 months to research the technology (50k/4k=12.5, rounded up). As long as you preserve efficiency, bigger is still better in every way. It's just less better than it would be without sprawl. Without sprawl the 2000 size empire would be researching technologies 2x as fast as the 1000 size empire and the 4000 size empire would be researching them at 4x as fast. So as soon as an empire gain somewhat of a size advantage it just keeps getting stronger faster than all the other empires and it's effectively game over. With sprawl the bigger empire still researches faster than smaller ones. Blobs still win, even with sprawl. Sprawl only make empires that have fallen behind a little less screwed than they would've been otherwise.