All operating systems suck. Some suck less than others, naturally. OpenBSD sucks the least of them all, but I still prefer OS X for my laptop.
That said, non-mobile operating systems are seriously on the wane. They have fallen down to three functions now:
1. server
2. powerpoint / excel machine
3. gaming platform
They don't sell PCs in supermarkets anymore, there aren't shops where you go and buy all the components to build a machine anymore, you don't find PCs in the garbage anymore, they are rarely seen in second hand stores, etc.
Teens, and a large majority of adults, today don't even touch computers, everything is done via mobile phone or iPad. They don't use email, they don't use removable media, they don't even know what the hell a hard drive is. These teens today will be the managers tomorrow and mobile operating systems will definitely rule the day.
When it comes to mobile OS, you are compromised from day one.