When you quote me directly and say I disagree, then I assume you disagree. ;)
Wiki, Forums and so on are widely used software. Surely it would all be easier with basic HTML, still technology has moved on beyond the abysmal Frontpage kind of site. There are x gazzilion kind of technologies out there that make publishing easier and more accessible. The potential for abuse does not mean abuse. A situation where only the SE are allowed to use technolgy and the rest of the world has to carve their letters into stone is undesirable.
It's the old argument, shoot everyone to prevent crime or live with the reality. Everyone a suspect until proven innocent is a prehistoric strategy.