Not SOOO ridiculous, now. His 'bull in a China Shop' motif, was part of his brand. Similar in many ways to Heath Ledger's Joker.
Sometimes that was a good thing - like defunding the WHO, and making noises about NATO disbanding... But at the end of the day neither push was really successful or irreversible. Meanwhile in many other areas his orientation was profoundly damaging, like it was in the lives of Asylum Seekers and Refugees.