I sympathize with the father

When I first saw this film as a kid, I thought Tommy and Annika's dad was mean but, as an adult, I can see that's he's completely justified.

-He comes home late at night and finds his kids at the house next door, dancing and throwing food around.

-This is with a girl he'd never met before who lives alone and claims that her father owns it. How is he supposed to believe her?

-His children and the weird girl start a huge foodfight in the middle of town, throwing ice cream at various authority figures.

-They take off in a flying motorcycle, something people had obviously never seen before. How was he supposed to know his kids would be safe?

-While having dinner at his place, the strange girl pours all the sugar from the sugarbowl onto the floor and then sticks her face in the cake, ruining it.

-The three kids run away from home in a strange flying machine, not saying where they'll be going or when they'll return.

-Pippi literally comes within meters of getting his kids killed and, on the drive home, she's babbling (as though nothing happened) about how she wants to be a pilot. She's lucky the father didn't throw her butt out.

Mr. Settigren is actually pretty tolerant. I would probably act worse.