After playing through the demo a bit and being able to fully understand the mechanics of the game, it still appears that the ottoman tech group is going to hurt the late game Ottoman Empire more than it should. A player must westernize to keep up with the techs of their neighbors leaving a gap where the Ottoman Empire is going to be hurt or have to play defensively. However, that should not necessarily be the case. The Orthodox historiography of the Ottoman Empire cites three main issues that caused the decline and fall of the Ottoman Empire. Trade Routes, which are covered in game, poor quality Sultans in the later period, which are covered in game, and the ulema, which could be covered quite properly in the game using existing mechanics but are currently not. Now the ulema were essentially the scholars of the Ottoman Empire and their conservative influence did a great deal to retard the intellectual growth of the Empire. It would have taken a very smart sultan actively combating the influence to keep them from slowing the growth of the ottoman Empire and keeping it at European levels. However, barring other event based modifiers, and assuming that the Ottomans continue to have western neighbors, the best a sultan can do is a 110% rate. However, if the base rate for the Ottoman tech penalty was reduced to 115% rather than 125%, it would allow the Ottoman Empire to potentially stay toe to toe with his neighbors. The Ottoman Empire, as much of a boogyman in history they are made out to be, were a very western nation and it would be a shame to hurt them unfairly in the late game. It should be possible, although extremely difficult, to remain toe to toe with the west without westernizing, as the current system makes it very difficult.