What we know is this: Redditor tcatron565, who has yet to reply to requests for verification in this matter, was horrified to discover that some arachnophobe thought to unload the entirety of a massive and mysterious tarantula collection for a single lump sum. The real owner “is away,” probably in prison for running an underground spider-fighting ring. “If you are serious about wanting a LOT of spiders please let me know and we can talk more,” the seller advises.
So, in conclusion, that is way too many (starving?) spiders, and even if this is an elaborate hoax using stock photos, I think we’d all do well to tuck our pants into our socks.