1. It might. Adding a microphone isn't as easy as you're probably thinking, especially if they can make a peripheral do the same or use that nifty Switch app they developed. As for the 32gb, I think it's justified for Nintendo. They were right about technology advancing and becoming cheaper for the consumer. If they add a 500gb storage now, they would probably pay a decent price, but not the same price as 32gb storage. And that cost would be passed to the consumer, which isn't a good idea. Even if it isn't much, it's still extra: time (to get the contracts), work (to engineer Switch with a bigger HDD), and money (for Nintendo and the consumer) for a feature that isn't a necessity. Trust, if you ask people if they'd rather more power, more battery, bigger HDD, or a microphone, power and battery would be the top choices.
2. If I'm disabling the use of a microphone, I guess I fall into the category of people who don't need it. Most Nintendo games are for children and Nintendo is family-friendly, so why put the idea into predators minds they can easily talk to kids? Sure, you had Miiverse, but if 400 characters of bad grammar on role-plays gets you off, go read the juicy parts of 50 Shades of Black. I'm also guessing this is why they took chat out of Pokemon games--to protect the kids.
Instead of asking why not, ask why? Why would they add a microphone if they can sell you a peripheral that they would have taken a loss on by implementing (including partnering with a company) a microphone, when they can maximize profits, especially when a handful of games would utilize the microphone. If you ever owned a Wii U, the answer is clear. Even on 3DS, there are so few games that fully utilize the microphone, it's laughable. I don't think a spinning logo or interacting with games that require you to blow in the microphone (DKCR) justify having the microphone. It's nice, but I wouldn't mind if 3DS didn't have a microphone.
3. So, you're saying add something that won't be used? If it is used, it'll draw power and which would you rather: play games longer or talk trash in one game that utilizes microphone support?
I guess for Switch, having either of these things in the system might drain battery power,
4.
4. It doesnt use space in memory...
What? I'm literally talking about the physical space of Switch. I mean, there isn't too much room (inches, centimeters) left in the system itself. Where would be the ideal place to add a microphone? Maybe in a Switch revision, but I think there would have to be more games utilizing a microphone, cheaper parts, and a real demand.
(I tried, but I cant stop myself from facepalming every time I see a fanboy trying to defend "their" brand after it did something that is very stupid...)
I'm unsure if you're trying to call me a fanboy, but I'm just being real. Out of curiosity, if you own a Switch, which games would you want to have chat? As far as I can tell, the only game you
might need a microphone for are Splatoon 2 and I'm drawing a blank for anything else.
The only thing I could see taking off and being a huge success would be a karaoke game. Good luck with the licensing on the music.