Without watching that vid, it looks like one that was posted a while back, as far as i know Decaf made a couple posts and stated you couldn't remove clipping, because it just quiets down the clipping, leaving the waveform (?) unaffected. I wish I could find those threads, a lot of useful info in them.
Yea, Decaf actually talked about this specific video. You can't remove clipping because clipping is essentially loss of data so you can't remove something already lost. And in this video, all he is doing is changing how loud the bass is pretty much, clipping is completely still present. It's taken me almost 3 years to finally START to figure out how to make a song that I probably wouldn't play to be playable. Example: look at Decafs' version of My Sub & then look & the original.
I'll try to take some screenshots when I can.