No. I don't know what your parent poster is talking about. D&D chargen is not in any edition of the game terribly complex.

It's not wildly simple, either -- D&D is squarely "rules medium" and there are plenty of RPGs with simpler chargen. But it's not notably hard for its space.

20 years ago there was more manual calculation of numbers on a character sheet, that now is likely to be handled by a digital sheet