At this point Steemit's growth is crucial and the value of SBD falling will definitely stunt the growth. As mentioned in the post, fixing the SBD level can always be done at a later stage, say a year down the line when the beta tag can be removed.
Fixing the reward pool issue is a whole new topic in itself which I will be covering in another post.
Yeah, this reward pool issue is tricky. The system is doing what it was designed to do, there are just people exploiting it, just like the real world. Yes growth is of upmost importance, but if the high SBD causes instability or potential death before mainstream life, what's the point? I do not know if that is a concern at all, was just theorizing with you :). I follow for next post!