Which is kinda why MS doesn't refer to the SB as a tablet, it's a laptop with a detachable screen ("clipboard"). Comparing as if it were a dedicated tablet is kinda ignoring some of the advantages the SB actually has with it's particular design ie: a laptop.
I have an SB Pro 3 which I've used for a while and just got my SB back in November. The thing I really like is the 3:2 ratio, which makes using it in portrait mode for reading web pages or any kind of page size reading very handy and enjoyable. I don't watch movies on these things, just the occasional short video or something work related, but I do read a lot with it so portrait mode ratio of the Surface and the clarity of the display is a key feature for me. This is even nicer with the Surface book due to the increased screen size, thinner and lighter weight of the display (lack of a kickstand is a non factor since it doesn't support this mode anyway)
With the SB3, when it was on my desk, I had the power cord, a separate display and usb mouse connected to the tablet. If I wanted to use it in portrait to read something, I had to disconnect everything from the tablet before prying it off the keyboard, and then when I was done, reconnect it all back again. Not a huge problem, but did make using in portrait a little cumbersome when I had everything hooked up at the desk and sometimes I would just wouldn't bother.
The Surface book by virtue of having everything connected to the base, solves this problem completely, I can just peel off the display without disconnecting anything. I can't tell you how many times I get up from my desk and peel the screen off and take it with me to another room or the sofa (or the kitchen to make coffee) while keeping up with email, sending im's to my business partners, or watching a webinar or just want to jot a couple notes in ontenote while walking around the house. Come back to my desk and drop it back in the base, and back in business as a laptop. Hell, even sitting at my desk, I'll pull the screen off just to lean back in my chair while reading a document in portrait.
I really like the ease with which I can pop the display off the SB and flip to portrait while leaving all my devices connected to the keyboard. I do this countless times during the course of my day. As a desk workstation, this to me is a useful advantage the SB has compared to my Pro 3.
I still have my SB Pro 3 and still use it as well. Both devices work well in their respective use cases and each has disadvantages and advantages compared to each other. They are both pretty cool.
And as far as issues, the SB is no more/no less than any other computer I've ever owned in my life. Well, except the very first IBM PC AT's back in the 80's, oh man, talk about issues, if the 10mb hard drive lasted the first 4 days before crashing, you were doing very well, lol...