> Their trading fees are well known to be far higher than the competition (because they can't juice their numbers by gambling), so they rely on unsophisticated

> Their trading fees are well known to be far higher than the competition (because they can't juice their numbers by gambling), so they rely on unsophisticated mass investors who don't know any better, but those investors IDK, to me choosing an exchange that doesn't juice their numbers by gambling sounds like what a sophisticated investor who did know better would do.