Why are they considered a terrorist group? Do they believe in the Constitution or something? Are they advocating for limited government? Inquiring minds want to know!
Reasonable people do not deserve to have to contend with offensive thugs and riff-raff (and the property owners and shop keepers should not have to suffer the losses, either)
If they must protest, let them protest in front of the police department. The mall and shoppers have nothing to do with their issues.