Some people might find the answer to be obvious (yes) but I’ve rarely found it so. In fact, this is a question I often find in the linux community (regarding linux going mainstream, not lemmy) and people are pretty split upon it.
On one hand, you may get benefits like more activity, more content, more people to interact with, a greater chance you’ll find someone to talk to on some specific subject.
On the other, you could run into an eternal September like reddit, where Lemmy would lose its culture, and have far more spam and moderation issues.
I don’t know, what do you think?
You gotta think big picture. Meta joins fediverse -> lots of Facebook users can now interact with fediverse users (yay) -> Meta now builds proprietary code that only works on Facebook for the fediverse -> users en masse joins Facebook fediverse -> Meta declares other fediverse instances sub par and incompatible with Facebook -> Meta cuts off from fediverse completely -> fediverse becomes irrelevant.
That’s giving to much credit to Facebook tho. Not everyone is just going to jump ship and join the Facebook fediverse.
They will if they have a better UX, computational resources, brand recognition, and can sign you up with your current Instagram account. Which seems to be the case.
Will everyone join? No. I’d rather go back to Reddit than to sign up for it.
Will the vast majority of people join? Yes.
The new Threads app had something like 10M users in 7h. The whole of Lemmy is 2M users.