I don't even understand why the price of STEEM or SBD matters unless you're cashing out or trying to buy in. Maybe that's the case for the people you refer to.
For me, I just turn everything into SP so the only thing that matters is the relative price between SBD and SP, in that I'm better off waiting to convert SBD to STEEM and then SP when the price of SBD is above STEEM's, which has been the case most of the time I've been on here.