polishmijajca

*chaotic

It is deterministic, if we're being pedantic

How does someone objectively quantify writing ability?

Oh yeah right, it looks like I invented a new soup and immediately made an orthographic error in its name with this misspelling :p

As for the hamburger - its origin history is quite complicated with its name mainly attributed to its early marketing in USA, so I think that's a bad example for your good point. So skipping that I think there are many dishes that get adopted into the local dishes, getting more popular than in the origin culture, but I don't think gulasz is one of them, as it's one of the most known examples of Hungarian kitchen

Only bigos and jerzynowa are Polish. The rest of dishes you mentioned are Hungarian. They're quite popular in Poland though