Exactly this. This is the point I was trying to make earlier so I couldn’t of said it better myself. It’s also a regional thing, my Dad is from the North East and called his mother, Mam.The mom thing pissed me off.. when I was in school lots of us had diff names for mother.. some mum some mummy, mam, mom, mommy, mother etc but none of us were told what to call our mothers!! That’s bordering on bullying. We call our parents what we were taught to call them and also we as children even knew that there was diff ways in different households . She’s a fkn total head