I should have added "usually". On average when something is designed by a committee the effect is like this, but now always. You don't have to take my word for it [1]. Most of the time means that kind of outcome is not always guaranteed and the result can be good in some cases. In same way, an AI generated content can also sometimes sound like it has character.
In the sense that it looks coherent and incorporates a lot of lessons learned over the decades of functional programming.
Design by committee usually fails either by being boring or by becoming a Frankenstein monster made of various contradictory opinions of committee members. Neither is the case with Haskell.
And the only bad design decision that I know of, namely to not make Monad derived from Applicative, was corrected in a future release.