I hear you. they're 90% garbage and I can't stand the fake news interviews they have to do on YouTube to sell their companies.
For E3, the extraction process works, and there's a lot of benefits to it over evaporation or hard rock extraction. environmentally, purity, etc. they collaborated with these guys in 2018:
https://www.ualberta.ca/folio/2021/0...r-alberta.html
if it works I don't think anything is stopping multitudes or other companies from doing the same thing, but E3 will at least have a couple year head start, and some good properties.
what happened with Cielo?