This might have had something to do with the unfinished nature of the preview, but after a 2D Showscan test in the 80's Trumbull said -- based on audience reaction -- he wouldn't use HFR cinema for period or dialogue driven films.
There the risk would be of a nasty reaction in trade policy, especially if cheaper Asian imports coincide with a new period of insecurity among American workers.
"Such claims simply invite the reaction we see from the sceptical side about the slowdown in global temperatures over an extended period, " he told me.