The flipside is the price is much more vulnerable to regulatory interference. If Grayscale has regulatory problems, the price will be adversely affected. Putting regulatory issues aside, we can ask ourselves - where to from here?
Right now probably yes... but... once all other big players will go all in on bitcoin this threat will be reduced.
Sure. But right now Grayscale poses the same systemic risk as Mt Gox. It’s not going to kill Bitcoin but it’s enough to put you off your cornflakes.