I don't, but the answers are almost certainly going to be:
1. Money.
2. Work on interesting problems.
The rest will be commentary.
Someone will then analogize Meta/FB to $bad_company, and someone like me will then say, "When users stop using it, developers will stop working for them." Outside the NYT media bubble, normal everyday people love social media. I personally don't, for the same reasons someone is going to enumerate, but my preferences aren't universal.