> But I can honestly say that in the past 25 years I have never, ever seen them saying anything remotely like this to another Swede.

Let me guess, you live in Stockholm? :)

As a Swede, I have definitely seen Swedes (usually older people) telling-off other Swedes and I even do it, recent examples: driving/parking like an asshole, being obnoxious, walking in the bike lane, not looking where they are going. I don't care if they're a Swede or a martian, it makes no difference to me.