Note is Samsung's flagship, just like their S lineup. Has been for a very very long time, and, in fact, Apple has adopted Samsung's lineup configuration since iPhone 6. There is absolutely NO chance Samsung will kill Note off. And it definitely has noticeable extra features that S phones lack, you should do your research.
The room argument (just like Apple's "courage" comment) is complete BS in the headphone jack case. It's plain and simple poor design. Most people own headphones with an analog connector, and now they must use an extra adapter if they want that stuff to work with their iPhone. Unless they need to charge their phone at the same time... In which case you can get a bulky dock from Apple for the low price of $60 (WTF???). Apple is indeed courageous here; for no other company would have the balls to deliberately fuck over their consumers like that.
The completely wireless future is actually already here. Many phones have wireless charging and never have to be plugged into anything to operate. As far as I know, Samsung's flagships have implemented wireless charging for several generations now; they also happen to have all the standard physical ports AND are waterproof. Your true unibody comment makes me laugh: aside from being a complete bitch to repair, you'd have a Faraday cage in your hands lol.
Now going back to the topic at hand, iPhone 7's new button is indeed badly designed. According to you, "If you don't have touchscreen gloves you won't be able to operate the phone either even if you can press the home button." (This is actually not even true, many Samsung and Nokia devices are equipped with touchscreens that are sensitive enough to work with gloves.) The problem is that the new buttons don't work with conductive gloves that are designed for touchscreens. You NEED to press the home button to be able to enter the passcode to get access to your phone. I hope you see why this is troublesome now.
Last time I heard the iPhone 7 has a physical screen on/off button. That should work with gloves.
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