Everyone has the right to associate with who they please.
Everyone has the right to property which includes the right to control access
Everyone has a right to their own labor.
When the government makes laws telling people they must associate with someone they are violating their right to association.
When the government tells people they must allow someone on their property or allow them to stay on their property they are violating their right to property
When the government tells people they must do business with someone they are making that person a involuntary servant of the other person and such violating the 13th amendment.