ROFL!!!
If he thinks we have no way of dealing with the radiation environment in outer space, he IS an idiot. Or ignorant.
If he says it and knows better, he’s a damned liar.
I suspect you’re simply gullible and have no personal knowledge of physics.
Would you like to know how the Artemis project is dealing with the radiation issue they can’t solve?
Another link for you—blame the link if you don’t like it:
Make Europe deal with it!
Lol.