They could have been not profitable enough, for themselves or their investors, especially if they got a rich enough acqui-hire offer. Or however profitable their efforts, if they couldn't raise enough money to properly peruse them. They could be facing more work of a type they don't like or weren't good enough at (including hiring the necessary talent), e.g. marketing and sales, and preferred the maximum pivot possible.
Well, those are all just variations of either not being a successful, profitable company or the founders simply not caring anymore. The end result would still likely be the same for the users.
They could have been not profitable enough, for themselves or their investors, especially if they got a rich enough acqui-hire offer. Or however profitable their efforts, if they couldn't raise enough money to properly peruse them. They could be facing more work of a type they don't like or weren't good enough at (including hiring the necessary talent), e.g. marketing and sales, and preferred the maximum pivot possible.