NBC is a nice big public target, they will make more money because a lot of corporations will be doing font audits.
Fonts are always the last thing to be dealt with, even companies that are hot on image rights managment have a dusty collection of grey fonts built over the years.
Signage companies are probably some of the worst because of the need to match existing fonts in so many jobs.
You can cover it to a certain extent by buying the licence to a library like Adobe or bitstream, but I'm betting 99% of companies can be found with unlicenced fonts in use daily. Doesn't even scratch the surface of how many machines you are licenced to use the fonts on...
Got to have them on the design computers...oh and all the RIPS...plus any old computers you no longer use, still count.
Most companies are caught when bitter ex-employees look for revenge. In canada there is a 1-800 line you can use to dish the dirt.