It's committed to the idea so that it actually works on period machines. See /r/retrobattlestations announce thread: https://old.reddit.com/r/retrobattlestations/comments/meqlql...

It's surprisingly tractable to plug 90s machines into the internet via ethernet adapters or little serial gadgets that can do SLIP or pretend to be hayes modems, but the modern web full of crypto and execution environments that can bring modern computers to their knees is not kind to them.