Well, that often. For the stuff I use every day I type the first letter or two of the website hostname, hit Enter, and Chromium does the right thing. I only use bookmarks for seldom used sites. And that's really only if Googling for it is more difficult.
The thread following TFA mentions that this is for CM10 nightlies, so if you're tracking the development branch, you just need to upgrade to the latest nightly to ensure you have the fix.
I made the plunge about 10 years ago, and haven't looked back. I don't even dual boot any more. I just run the odd Windows virtual machines for stuff I don't trust to Wine.
Trafficking in child pornography carries mandatory sentences in many jurisdictions. Simply posting, or even merely linking to that underage sex video can be enough to qualify.
I believe this offender deserves what he got, without reading into it further.