It’s definitely the latter. The sites it renders are just markdown files stored on the IPFS network. I don’t think it can render HTML let alone a modern web app on the internet

They weren’t talking about LibreWolf when making the comment about the singular gateway, they were talking about IPFS. But it’s right there, you can read it again. Or even ask the original commenter, either by directly replying to them or by tagging them, e.g. @ComradeMiao@lemmy.world can you answer @golden_zealot@lemmy.ml’s question?

No, you’re thinking of LibreWolf. This is like an IPFS browser that interprets markdown to render simple sites within the IPFS network