Not a pity. It works as intended. Doesn't work when tampered with by someone who doesn't understand it.
Rotational punches are not "missing elements".
They are not done
intentionally, and for good reason as I briefly described
here.
Your terminology doesn't make sense, then.
"Gap" implies non-functional.
If a bridge has a gap, a entire missing section, right in the middle, it can't be crossed without filling the gap.
It's
not a functional bridge!
"Missing" also implies the negative, as if it were an original part that got lost.
A horse might be cool-looking with a horn or wings, and it can do things it would otherwise not be able to do without the horn or wings, but horses are not "missing" horns or wings.
When a Muay Thai fighter cross-trains another striking style it is not to fill gaps in a non-functional system.
It's just adding on some horns and wings, so to say, but not because it was "missing" them.
So, cross-training ā gap-filling.