Yeap. Makes total sense to me. Those planes fall into rule #1.
Ive had many planes that Ive never tried flapperons on because Im sure it would be a waist of time or the novelty would wear off. Those planes had full length ailerons or ailerons that were placed to close to the wing tip, a light wing loading (voids the need for flaps) or are not fun-fly machines.
There arent many planes that Im aware of that fit rule #2.
Cheers.