To me Unity just made sense and if not for it crashing entirely too often and incurring a performance hit due to all the eye candy, I wouldn't look further.
To me the nice thing about GNU/Linux on the desktop is that each person can have the interface they want. This has secondary benefits where if you have your interface which is significantly different from my preferred interface, it forces application developers that really care about supporting their users to develop high quality abstraction layers that support both. The same goes for software packaging, driver support, general compatibility of proprietary software, etc. So, by all means, keep using Mint, it is in my best interest if you do (and yours, and everybody elses).
To me the nice thing about GNU/Linux on the desktop is that each person can have the interface they want. This has secondary benefits where if you have your interface which is significantly different from my preferred interface, it forces application developers that really care about supporting their users to develop high quality abstraction layers that support both. The same goes for software packaging, driver support, general compatibility of proprietary software, etc. So, by all means, keep using Mint, it is in my best interest if you do (and yours, and everybody elses).