This is the thing that annoys me. They have the Fallout series hostage and moves like this sadden me because I can't expect the next game to particularly great when stuff like this happens.
Alternative trademarks never do. Every company gets started anyway. I'm sure International Business Machines felt they sounded like a low budget knock-off of National Cash Register.
Radioactive Dust is quite uninspired though, how about Super Nuclear Apocalypse Bros DX