ArXiv is a good complement to the modern peer review, IMO. As long as someone "vouches" for you, and you adhere to its minimal standards, you're able to post a paper. Other readers can decide whether the paper is worth their attention, and whether the presented ideas or results are valuable. It's also good that it doesn't gatekeep with the paywalls that you can pretty much only afford by affiliating yourself with a t…
>3. It puts the effort on the readers to decide whether each paper is valuable, and particularly scientifically valuable, for which most readers will be unequipped. You say it as if replication crisis doesn't exist and publish or perish is not a thing.
Removing this (often very basic) peer review doesn't somehow fix the problem. The solution lies in more thorough reviews and replication studies, not in everyone deciding for themselves.