The average JoePublic user won't know the name of the application executable.
What if there are several versions (bad systems management) which one do they choose.
IT is fine for geeks but for a non geek? forget it.
The torrents of abuse I've had hurled at me from people who were forced by my old managment onto W10 was enough to make me throw in the towel and quit.
Users don't like change. End Of.
W10 forces a lot of change on the users.
Don't even get me started on the forced updates bricking devices. Two days before I left the above job, an update bricked the CEO's PC.
The rollout of W10 stopped there and then. No amount of cajoling would persuade me to stay on and roll everyone back to W7. I'm done with Windows for good.