Ment to hedge that with the qualifier often, as some manufacturers with little competition or reason to make cheap EVs do just use a cut down high end cobalt battery bank and pass the large additional cost onto the customer. It is a practice that is increasingly going away, and when it comes to things like moving everyone to EVs the general assumption is that regardless of what Amarican manufacturers want, most of them will go with the lower cost and longer lived chemistries over the premium density ones.