I mean there's no way this is intended behavior. Others are confirming as well. You can just delete others' comments along with yours (or at least their appearance in the thread)
It's not going to work. I'm pretty sure they have filters in place for stuff like this. And your random website won't be crawled anyway because nobody's linking to it
It basically means you can view the code, which is the literal by-the-word definition of open source. It's not the common understanding of open source, which would be free-to-use (with some minor restrictions like attribution or publishing derivatives under the same license).
So you mean we would have weird useless concrete structures everywhere? I doubt it