since voyager is a web app, I think it's ultimately down to your browser setting and changing it will change where your browser save files for all other sites as well. I might be wrong though.
Yes, I also understand that it's something that's unavoidable with fediverse. That response was made in shock when I visited the site, hopefully there will be ways to block whole site on per-user basis, rather than leaving it to admins.
this isn't very reliable as it relies on someone (be it real person or a bot) to archive the specific post / answer.
if your post / answer gets in the front page or all or popular, there might be a chance, but if it died in 'New' ? fat chance there's an archive for it.
there are instances in the past where big players acquire the small ones and while at first they seem to be cooperative, it ultimately destroys the small players, one such case is XMPP the open chat protocols long before we have Matrix, killed by Google
I want to be attached to them, know their backstory and motivation, ya feel?