Too bad without Talos the Thalmor are winning in their war for the fate of the world. No Talos, no Nirn, in which trade and all those earthly things mean nothing. You have to understand the Thalmors objectives, they wish to unmake the world, and Talos (shor) is the glue that keeps it together. The Empire wins, the Thalmor wins, everyone else loses.
That just isn't the case. Talos will always be around as long as mankind is around to revere him. The Empire isn't against Tiber Septim's worship, he's they're god as well. As soon as the war begins again, Talos worship will be permitted and will go right back into full swing.
The Thalmor weren't even enforcing their ban until the Markarth incident, Alvor tells you as much.
The second Great War is coming, and mankind must stand united with each other as well as the many dissenters among elves and the beast races. With their cosmopolitan attitude towards other races, the Empire has the potential to make these alliances, where, judging by his treatment of others in his Hold, Ulfric lacks even on a small scale.
All in all, I'm not a fan of Ulfric. He reminds me of Fidel Castro. His platform is "self rule" but what he really means is "my rule". I'd say things are going to be worse with him in charge, not better, think about if we suddenly started using the "ancient ways and traditions" in our world. Not good.