That is the position that I have always supported. I think that in a perfect world all professional pilots would be welcome on any jumpseat. If they caused any problems they could personally be banned. It should be a professional courtesy.
The reason I got mad at mckpickle is because it is not his management that is refusing fractional jumpseaters, but his own personal opinion of what it gets his pilots in return. I think it's sad for someone in that position to be playing such a playground game.
We're all pilots. I've personally worked for 2 majors, 2 regionals, 1 cargo carrier, 1 medivac/charter company and now 1 fractional. I've never seen this level of "but what do I get in return," from a union jumpseat coordinator. For years, Delta pilots were allowed to jumpseat on other carriers before they were able to reciprocate. Eventually they were able to return the favor.
I actually don't care all that much whether fractional pilots are allowed to jumpseat on ExpressJet. I would rarely/never use it. It just pi$$es me off that one pilot would have that attitude about other professional pilots. It's not about what you can get in return. It's about professional courtesy.
What's the trouble with having an offline jumpseater? If you're worried about your own pilots not getting on, then establish a system so that your own pilots have priority, or can even reserve the jumpseat in advance. Problem solved.
In the end union jumpseat coordinators should be working towards opening up jumpseats for all professional pilots, not picking and choosing what gets them the most in return. We have enough to deal with, with our respective management teams. We do not have to be fighting eachother as well.