The first story is from 2018 so is old news. Read the second, went looking for my source, found it, learned I had misread it about the HIMARS.
https://www.thedrive.com/the-war-zone/32703/marines-to-radically-remodel-force-cutting-tanks-howitzers-in-favor-of-drones-missiles
Among other things, like the “got rid of all the amphibs” thing too, yes. The 2018 story I linked to show what the idea was, the 2022 story was the latest news.