Marines got rid of tanks because Marines are focusing on a China vs Taiwan hypothetical conflict, where tanks would be nearly useless. China vs Taiwan would be

Marines got rid of tanks because Marines are focusing on a China vs Taiwan hypothetical conflict, where tanks would be nearly useless. China vs Taiwan would be largely about establishing control of islands, and maybe a few beach-assaults. Tanks don't work well on sand, and the 80-ton M1 Abrams is too heavy to fit on an assault-boat. ------ US Army has constantly developed tanks (and anti-tank weapons) because the tank remains a major battlefield player in Europe (Hypothetical... no wait... the now real Russia vs Ukraine situation)