Earlier quoted context omitted.
It's not the bugs that are an issue with 10. It's the mountains of nagware, spyware and advertisements built in to it.
I use 10 daily and see no ads. Where does windows 10 show ads?
Give a non-technical user a copy of Windows 10 and Chrome, wait a few days for the third party ad networks to catch up, and then watch as advertisement after advertisement pop up in the lower right hand corner.
I'd also like to mention the Microsoft News program as being an annoying delivery mechanism for such content (it seems to have some relationship with the browser based on how the user uses the Internet).