They seem to be more fair about things and are really looking out for the best interests of the whole region instead of just one group of people.
?
Black Marsh. Abandoned by the empire. Secedes without any issue.
Summerset Isle. Abandoned by the empire during the thalmor uprising. All dissidents that are loyal to the empire are killed.
Valenwood. Abandoned by the empire. Majority of inhabitants killed by Thalmor or fled to cyrodiil.
Orsinium. Destroyed. Empire shepherds refugees into skyrim but does nothing else.
Morrowind. Abandoned by the empire. After an (un)natural disaster an invasion force of argonians kill a large number of dunmer. Most survivors flee to solstheim or skyrim.
Hammerfell. Abandoned by the empire. The moment cyrodiil was under threat, Mede pulls back forces in hammerfell abandoning it to the thalmor. Signs an agreement to cede its lands to the thalmor.
The general feel I got from Tullius is that he feels like he's been put in charge of a bunch of hillbillies, hates the place, and wants to go home. Thankfully he becomes slightly more respectful by the end, but he's not generally a likeable character.
Ulfric's interesting, doubly so when you learn his history of being betrayed by the empire over and over.