K31th is just being obtuse, pay him no mind
An na 6 speed trans will be fine unless you intend to make lots of power or flog it relentlessly, and if it does crap out it's only a few hundred bucks for a new one. You could easily get a second hand turbo trans that is stuffed and that's a whole lot more money to replace. Also a turbo trans is much more likely to be stuffed because turbo