No, Linux desktop is as easy to use as Windows (sometimes perhaps easier), the problem is one layer lower: the drivers.
1. Bluetooth breaks about every 3-4 months. 2. Wifi. Where do I start. Say: https://wiki.archlinux.org/index.php/Wireless_network_config... "If you have problems connecting to networks in general or your link quality is very poor, try to disable 802.11n" -- are you kidding me? Then if you have anything complicated, chances are you are completely and totally screwed. Examples: a) PPPoE over Wifi is simply not supported. b) The only way I found to connect to my work VPN is via a Firefox-running-as-root (I kid you not -- and it wasn't me me who came up with this solution obviously). 3. Battery life. http://unix.stackexchange.com/a/119620/9452 4. USB 3.0. Sure, NEC and Intel hosts are supported. Throw your card away if it's not NEC. 5. Hybrid graphics.
On to the destkop:
1. Skype. Say what you want, Microsoft abandoned it and Skype is a huge part of communications these days, sorry. 2. Chrome and hardware acceleration.
Likewise, USB 3.0 works fine for me. I dunno what chipset any of my devices have, but they all work.
As for Skype, I used to use it regularly, and then switched to Hangouts. Skype worked fine on Linux up until I switched. I dunno the state of it now, but I don't need it, so it's no big deal. Both Google and Facebook have video chat and phone call features built right into their messenger apps, and they work fine on Linux; Skype is deprecated, IMHO.
I have had at least as much trouble from my Windows partition and my Android phones as I have from my Linux (mostly Fedora and CentOS) systems.
There really is no longer a credible case to be made that Linux is hard to use on the desktop. I even lend my older computers out to extremely non-technical friends (the kind who don't own a computer) without having to go into any significant detail about how to use Linux; they figure it out in a few minutes, mostly on their own.
If you wanted to make that case even as recently as maybe five years ago, I wouldn't have argued. But, really...the Linux desktop experience today is excellent, certainly comparable to Windows or Mac OS X. And, with Steam providing a huge variety of Linux games, I haven't rebooted into Windows in almost a year (I used to reboot for video projection work, but am no longer involved in that business...I was on the verge of switching even that to Linux, and had I done any more of those jobs it would have been with Linux).