Vulnerable people losing vital wealth when Tether pops would be tragic. A "stablecoin" with <4% liquid reserves... https://www.coindesk.com/tether-first-reserve-composition-re...
Plus, money has been coming out of Tether and into other stablecoins and what is happening with Bitcoin's price? Yeah, up.
Which studies are you referring to?
https://www.coindesk.com/whats-going-on-with-tether
https://voxeu.org/article/stable-coins-dont-inflate-crypto-m...
https://www.sciencedirect.com/science/article/abs/pii/S01651...