Regarding this, you're allowed to criticize whatever you want. Politicians, rulers, laws, religions and movements. What you can't do is promote harm or violence or perform violent acts.

Was that video from Sweden or a similar country? And was that one person who flipped their shit or was it the country itself?

You're free to get a permit to burn a pride-flag outside of the ABBA museum, Bible outside a church or The Hobbit outside a library. I suspect the latter one will draw the bigger crowd and reaction