Santelli spent 20 years trading on the floor, like the guys who cheered him on, before he got into media.
Gibbs has always been a political spokesman his entire adult working life.
For Gibbs to say Santelli doesn't know what he's talking about, when Gibbs has been paid to flack whatever position he is currently paid to flack, and never had an honest job, is the height of chutzpa.
If Santelli is fired and black balled from the media for life, he still has useful skills with which to make a living.