The link to make an FTC comment is a little harder to find than it should be, but that's government (don't get me started).
Looks like this: Submit a Comment on Franchise
That should take you to a page with a dark blue bar in the middle. Click on that bar.
That should take you to a page with three tabs at the top, click on the tab that says "Browse Documents". That should give you a page with a small button in the center of the page that says, "Comment".
So, to get you started here's the press release again: