Assuming it's not outright fabrication (i.e. lying) for fame or funding, I guarantee that the following is true in some form:
The experiments/tests that indicated massless propulsion were inaccurate. Period.Maybe it was measurement error, procedural error, neglecting to take into account the entirety of the operational system (you might "win" in one part but you "lose" in another), rounding error, etc.
At best, an honest mistake.
At worst, a scam.
Nobody "defies the laws of physics", at least not on Earth, and as far as we can tell, anywhere else.
So sorry, play again....
A claimed force of 1 G is a bit much for some sort of measurement error.
It's such a significant amount of force, that the guy is either a liar or he's on to something.
It's a significant enough claim that I am willing to wait before I make up my mind that he's a fraud or a fool.
Nothing defy the law of physic... well maybe black holes do.
https://phys.org/news/2021-06-physics-black-hole.html
Perhaps it would be more accurate to say nothing we know can defy the laws of physic.