Worth also pointing out though that if you can sell new shares above intrinsic value that is accretive to existing shareholders. Dilution isn’t always a bad word. (It’s bad for the people buying new shares.)
Bubble? Yes. Ponzi? No. The latter requires some element of deception/fraud. Strategy Inc. (formerly MicroStrategy) was basically something similar. They had $x worth of bitcoin in a vault, but were selling themselves for $2x.