On neogaf opinion that PC "too complicated" is quite popular, and here vast majority of users are certainly above "filthy casuals" in many tech aspects. Fortnite/Minecraft are huge on PC but same can be said about more esport type games that certainly are not designed for casual crowd.
Driver updates are not mandatory, most of the time they bring nothing new. Huge updates like DLSS4 implementation are rare. Game can be completed on one driver version without issue.
What's worse are game updates that can trigger shader recompilation as well.
UE4/5 traversal stutter is inherit engine problem, it shows itself on consoles and on PC (timestamped).