He's of the opinion that the trend is on the downside.
Not sure if this is directly connected to fat tires, but I'm hearing that style trends are changing.
I recently moved to South Florida, so after buying a house, the next thing was to check out the local riding scene. There's a local shop (indy) that is run by two guys, one with an Arlen Ness connection (worked for him for years and still travels with him to all the major rallys) and the other is from Connecticut, a Hamster, and friends with Dave Perewitz. In fact, the shop was originally opened under the name Perewitz Cycle Fab.
Anyway, the former Ness guy is right now still on the road with Ness and Company after Sturgis but according to him, the vendor displays at Sturgis were all about Pro Street bikes, and that choppers were dead. Over. Kaput. He is building a modified Dyna for himself and told me that Ness was telling him, jokingly, all about a new Dyna swingarm that would accept a 300 rear tire.
"But Arlen, I want to actually *ride* this bike."
"Oh, you want to ride it? What a concept."
And then they both had a laugh. Anyway, these guys say that much more reasonable rear tires will be back, used on bikes that are imminently more rideable.