that's because nexus virtually has a monopoly on modding, which puts them in this position where they're able to push a universally hated UI update no one wants and get away with it on top of the snark and rolling of eyes from members of staff that everyone isn't hyped on this terrible redesign. modding would be better off if nexus died. you would have more competition and choices in where to host/download mods and wouldn't have to go through all this again.
once they win with the UI stuff it's a race to the bottom, implementing ads an other things no one wants. it's only going to get worse from here.