Comment by DalasNoin
it's clearly not sutainable to have the main website hosting CS articles not having any reviews or restrictions. (Except for the initial invite system) There were 26k submission in october: https://arxiv.org/stats/monthly_submissions
Asking for a small amount of money would probably help. Issue with requiring peer reviewed journals or conferences is the severe lag, takes a long time and part of the advantage of arxiv was that you could have the paper instantly as a preprint. Also these conferences and journals are also receiving enormous quantities of submissions (29.000 for AAAI) so we are just pushing the problem.
A small payment is probably better than what they are doing. But we must eventually solve the LLM issue, probably by punishing the people that use them instead of the entire public.