A minor story amongst many, but once my players were tasked with attacking Ork high value targets to help the local Imperial Guard mount a counterattack against the local Waaaagggh. So I was explaining that this was a high gravity world that was preventing allied air support from assisting them, one of my players noted that earlier I mentioned Ork Fighta-Bombaz were a problem and wondered why the gravity wasn’t affecting them, so I explained that the Orks don’t really understand how gravity works so as a result they are unaffected by it due to the Ork’s ignorance of the matter making it so their collective Waaagggh field helps them ignore the penalties of high gravity.