I don’t think he has anything against Bombardier per se, it’s just his means of retaliating against Canada for not certifying Gulfstream products.
Interesting line of work! If you’re interested in WWII history and want some YouTube vids on aircraft with some serious technical detail, check out Greg’s Airplanes and Automobiles channel. I’ve been watching a lot of that lately. Have an engineering background.
Gulfstream is American though. like I said. I don’t get this attack.