I think the scale of the 'Exposure' does matter here (please don't just downvote, hear me out). Exposure = Advertisement, right? Wouldn't you pay for advertisement? Now, if you invest very little for advertisement, you might get very little in return. Say, your investment is doing a free 'exposure' gig for a return of 20-30 potential customers. This might not be equitable to your time/equipment/team/etc. Now, in the…
Exposure doesn't work when you realize you've signed a contract saying you can't advertise that you worked on this TV show. The only exposure you'll get is that the production now knows you're a sucker to call again. Do people really think the show will let the photographer blast their pictures with "Joes photography did this" all over the internet? Best you'll be able to do is tell your friends verbally.
You might be right, in which case I'd agree with you (I have no experience with those details on contract provisions), but again it goes back to being a business decision :).