Nah, it's that they feel they didn't make enough from FAANG cos they got there too late (everyone in a successful growth company feels this way) and want to try

Nah, it's that they feel they didn't make enough from FAANG cos they got there too late (everyone in a successful growth company feels this way) and want to try again. Additionally, at the time they joined FAANG those companies weren't as big and they might prefer that environment (I know I do, at least).