I believe that in all of South America people exclusively use WhatsApp to communicate via text because SMS is only used for spam and bad 2FA. Companies are even using WhatsApp for 2FA now instead of SMS and the fact that americans use SMS is viewed as a joke.
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Ah yes, those hilarious US Americans, not wanting to trust all their chat communication to Meta...
Edit: literally just saw this article afterwards:
https://www.lbc.co.uk/article/dubai-police-spied-private-wha...
UAE government getting access to private WhatsApp messages (presumably in conjunction with Meta).