team match @ meta

currently in team match stage at meta for e5 mle. is it true all facebook ai research (fair) opportunities are filled up by internal hires ? my recruiter seems to suggest so. don’t know how to get in touch with fair recruiter. can someone share tips as to how to decide how good a team is, what is wlb and growth opportunities ? any advice/signs to look out for ? how is the instagram reels team ? fb app team ? please help and share your opinion. no trolling please 🙏