Instagram and WhatsApp and maybe even Threads are used fairly frequently by a large number of people .
Meta as a company is doing quite well, Facebook the product which is closer to a ghost town filled with Al slop.
Facebook has been probably is much smaller contributor of revenue than other business lines for years so their further slide has not impacted revenue as much .
Do they make money from WhatsApp?
Not a lot directly today, but as a data source for targeting other platforms ads