Then you can just change it back to 1.8. It's very easy.
The problem is: 2.2 is the standard. Not only for Windows PCs, but also for sRGB and Adobe RGB color space. So it's also the standard for Internet, broadcasting and movies. 1.8 is the standard in pre-publishing business. But how many of us work in pre-publishing?
EOS 40D+BG-EN3/350D/17-40 f4L/70-200 f4L IS/50 f1.8/18-55 f5.6/MacBook&ThinkPad