I had to do a couple of original campaign scenario fixes if I changed the supported transport types in units.csv, but these seem to become unnecessary.
So, if an ambitious unit-modder wants more plausibility then there shouldn't be a problem restricting certain trucks, half-tracks, and horse-transports only to certain towed units anymore. Preplaced/spawned aux towed units during vanilla campaign scenarios should still work fine then no matter what nonsense transports they received, e.g. M3A1 Halftrack for a Longtom during the Marines Peleliu mission.
This fix should also work for restricting infantry types.
PS: yep, infantry units with unsupported transports also switch back. Good bye, Universal Carrier!
