Well, he is not in favour of changing it, so I'm confused about your comments here. He might have to adjust that opinion in the future, but who knows what will happen tomorrow?
Anyway, maybe you should read the Steem whitepaper, it explains why the SBD even exists and the mechanics behind it.
Oh, I see! I must have misunderstood. Well, I mean, antibiotics did not come into existence to cure disease, right? So what something was "meant to" be for is not an argument for destroying an entire market of investors, traders and content creators. Only a crazy person would be in favor of destroying 600% of something's value.