Absolutely. 99.9% of businesses out there have it posted somewhere that they can refuse service, or have you removed at their discretion.
Yes doctor, I am sick.
Sick of those who are spineless.
Sick of those who feel self-entitled.
Sick of those who are hypocrites.
Yes doctor, an army is forming.
Yes doctor, there will be a war.
Yes doctor, there will be blood.....