@Wormwood @niobleoum @IAMAL_PHARIUS They could, but you'd be playing a game of chicken with 100-300 random people every time you decide to violate airspace. Sure, no reasonable person would shoot down a US civilian airliner in Canadian airspace, but it'd only be a matter of time before some mustard or jeetoid decides they want to be the guy that stuck it to America or whatever.