Techies will care, most people won't. Niche communities will still be on Reddit. It's just easier and data never gets lost (as has proven to be the case many times in the fediverse).

I consider myself as the "basic average consumer", and generally when I start using a product regularly, the company producing it makes profit, when I stop using it, the company starts making losses. Not that I've got super powers, but I'm really representative of the average Joe, and they are millions like me. So, considering Reddit, a few tries, and i got banned quite quickly for really mundane stuff, which would have, at best, deserved a slap on the hand. So I guess, unless they drastically change their moderator policies, they won't last long.
Besides, checking who were the owners, I've found out that Reddit is a subsidiary of the company (advance publication) owning also WTC, WTC ia a triathlon organisation giving (against serious cash) out of shape douchebags an "ironman" status. But even douchebags don't like being taken for cashcows, and the company is getting less and less registrations, some events are not renewed year on year, and their 5150 series is a huge fail.
So yes, indeed, if there is a company good to short in the future, it's "advance publications".