More likely they'll reason that this tough decision merits some kind of bonus if it ends up benefiting the bottom line for one quarter.
I suppose these are mostly good, well-working engineers. This should mean that the projects they were working on were mostly useless, bringing too little value for the effort in the short term, or too uncertain benefits at a longer term.
Something did not pan out with the product vision.
And if Meta is indeed stuffed to the gills with highly unproductive yet highly paid people, who is responsible for that? Those people aren’t actually changing.
The profits from work of those devs are already realized. The future profits might not materialize.