If you are Dutch, just take a one-hour flight to Copenhagen to see how a city can be absolutely plastered with national flags.
If Poland or France were introducing a new nationally produced rocket, they would certainly show their national flags around it as well. They definitely do so when displaying new weapons. So does Ukraine etc.
Accidentally, I remember the Dutch colors on every package of Dutch cheese I ever bought.
St. George's Cross has long been a symbol of racism in the UK and they've recently been trying to do the same with the union jack.
That's basically what the logical conclusion of anti-colonialism or anti-imperialism is. If you don't think your culture is worth spreading, possibly through violence, you can't be very fond of it.
You can't say that the US should return the land to the natives and then say that US culture had a positive influence on north america. It's mutually incompatible.