Honest personal opinion is that all of this stuff is a bit much. I agree that the stock keyboard you get with pcs and most laptops are a joke, but for most people (even engineers) a decent regular keyboard should be sufficient? Isn't the point of devices like keyboards and mice to disappear from my head so you only think about what's on the screen and what you're doing with it?

If this is what you want to spend your spare time discussing and buying sure, but let's not propagate any pseudo scientific facts about the superiority of mechanical keyboards in any regard. I've only seen people slow down typing in these clackety things going from an apple keyboard and I don't want to be in any zoom meeting with these folks either.