Not a native English speaker, as you know, but I thought of a couple:
- It takes all kinds.
- Even the useless get fed.
It's a bit like the other Finnish idiom, “Meitä on joka junaan”, which is perhaps a bit more neutral, but essentially means the same thing.
"It takes all sorts/kinds" is positive and accepting. "Even the useless get fed." doesn't exist in the English language but expresses the same as the Finnish idiom. You are correct that "Meitä on joka junaan" is more neutral but means pretty much the same.