I use it almost exclusively/when it makes sense to. But so many people are surprised that I use it.
Part of it is because I was an android user until about 2015 and that was always a feature on the phones I had. I also use it because I have small hands and the biggest iPhone so I find it easier to type one-handed sometimes.
Yes, and I love it. After practice it’s much faster than regular typing, although you do need to proof (in my experience). I wish there was a swipe-typing course like there are typing courses.