EzekielRaiden
Follower of the Way
No, it isn't, and wasn't.It’s a great design decision. It helps make sure they don’t waste their time as much chasing stuff that will never be popular, and don’t change the game for no reason.
It's the reason they dithered forever on the Sorcerer and Warlock--and why both classes came out half-baked and significantly under-power compared to where they should have been. Which then directly led to awkward(/badly-made) subclasses attempting to patch over the problem, creating even more problems in the process (the one- or two-level Hexblade dip, for example.) They canned perfectly good, interesting, worthwhile options because of an arbitrary design threshold (seriously, 70% of fans liking anything?) and it forced them into a corner when they couldn't come up with a good replacement after nearly two years of faffing about.
It's also why we'll almost certainly never see real psionics rules for 5e. Because none of the options they generate can pass that arbitrary stupidly-high threshold. We're left with everyone pissed off and demanding action and nothing changing. Again.