That's... not a magsafe charger? That's a USB-C NFC charger. By all means show it's shit in every possible way but let's not grace them by acknowledging it has anything to do with magsafe. That's a Applified Qi charger.
I own a MagSafe charger and unless the author added a third party black case (?) around the puck, then that’s not a real MagSafe charger. I haven’t heard of cases for it but that doesn’t mean they’re not common, of course.
If Kleenex gets into toilet paper and tell you that toilet paper is now kleenex, the response is "you clearly don't what what the hell you're talking about, get your head out your ass".
Magsafe is a magnetic power connector that clicks into a socket, whether Apple sticks their head up their ass or not.
Yes, you can. I have double-sided tape under mine to keep it on my desk, otherwise you pick both up. I really like them stuck-down, I use one on my bedside table and one on my desk.
MagSafe is simply Apple’s brand name for chargers that “plug in” via a magnet. It used to just be the ones that charged laptops, but now that iPhones have the magnetic ring on the back for specifically this purpose, there are MagSafe iPhone chargers out there too.