You’re right. Only thing is that this is currently being worked on by multiple nation states as well, as these theories do have a military advantage. There will be money and resources pouring into this field for decades.

Even if it takes another 3 or 4 decades, the goal posts are planted, and I think Q-Day will eventually happen. Of course, im just assuming and can’t know the future. For now, it is a toy as you have said.