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.
I want to be attached to them, know their backstory and motivation, ya feel?