Are FAANGM jobs really secure even though they pay well?

No job is secure

No

What is FAANGM? or are you saying MAANG?

Earlier perhaps. Now they aren’t (microsoft, google has almost annual layoffs now; amazon has frequent pip)

Most big tech has ura, so people recruit just got the sake of ura in subsequent years to retain their favourite people in the team.

Does it really matter what you can earn in one year will take twenty years to earn in service-based companies.