That document where SpaceX admits to dropping potentially lethal debris on Canada is still publicly available on their website, which is also kind of wild: https://starlink.com/public-files/Starlink_Approach_to_Satellite_Demisability.pdf
They seem to think it's just a whoopsie and no big deal. But...it's actually a violation of Canadian airspace! And also, terrifying!
SpaceX is scary.