This was my blog post. I didn't explain it very very but I agree that you do not want to completely strip out the useful EXIF data. In particular, the colorspace values are used by the browser to show photos in a more "correct" way on your screen.

My blogging software only strips the GPS EXIF data. The code is here:

https://github.com/andrewstephens75/gensite/blob/dev/gensite...