There are such things, they are called "arxiv overlay journals". Couple of examp...

		Laakeri on Aug 24, 2024 \| parent \| context \| favorite \| on: Author-paid publication fees corrupt science and s... There are such things, they are called "arxiv overlay journals". Couple of examples from my research area: https://www.advancesincombinatorics.com/, https://theoretics.episciences.org/

This is great! I'm trying to think of any disadvantage.