"experience the worst frame rates in the entire game"
If my normal PS4 can handle it, then it's an issue on your end

"Sometimes even gatekeeping locations such as benches"
And? Someone got your favorite AFK place?

"or standing on retainer bells causing inconveniences so they can't be used by anyone else"
If you cannot use a retainer bell because a bunch of people are there, then there are some serious issues with you

"This also isn't the look you want for new players now if your ARR class starts there"
please, explain