I would be curious to learn as well.
For one my family migrated from Argentina to the us in the 60’s so that would be “brain drain”
By the way most of the family has left California as of 15 years ago. Bet we are two for two. nostr:note1p9yfz9s3p90fwne0509syrfyp2qr9tnh4t5gl7zultu2jtvws45sm7du78