It wouldn't surprise me if the same characteristics that make one appealing to Shark Tank are ones The Profit producers find appealing as well. Perhaps they just don't care about a "most-likely investment" and want someone dramatic for TV instead.
Camping World has been having a bad year (although what retailer hasn't?) and they just restructured their strategy in September to focus on RV sales and not so much on other things like, say, floating tents. Their 3rd quarter revenue was up though so maybe they've turned a corner? But certainly he's not as confident in new projects as he was 4-5 years ago when Camping World was headed for IPO.
There's no objectivity to the show so it's hard to tell how fair Marcus is really being. From the beginning I've seen a certain amount of what I'd call "boxing out" tactics, and some like Swanson's Fish Market make a good case that they were misrepresented. On the other hand I'm sure many of the owners have been bad in exactly the way we saw, and Marcus isn't a guy to let himself get walked on.
The question for me is, do successful partners like Sweet Pete have issues with him they just won't say because of the ongoing business? Or do they like him and is it just the bad outcomes that have sour grapes?