>>3833934
The UI, the simplified skill/levelling system, map-markers, objective-guide spell, simple dungeons, simple puzzles and so much more
But Oblivion was also geared towards the masses, they revised and simplified the skill system over the one in Morrowind.
Skyrim still possess some remnants of the obscure though, soul gem system, enchantment, alchemy and spell-creation, even though all these are simplified to some extent, spell creation most of all.
Also fuck you, lazy nigger. The onus is not only on him to prove, you can get off your ass and look into things yourself too.