It's the PA supplier would be in a better position to argue that their rights are being violated. Especially if a single customer was targeted because of their political views / protected characteristics etc.
The problem with the TikTok scenario is that no specific group is being targeted for restraint. And the government does have the right to regulate trade. E.g. there are embargoed countries, export controls, etc. The fact that you can't sell raw milk across state lines is different from a hypothetical restriction on selling raw milk to, say, people named Todd.
It's the PA supplier would be in a better position to argue that their rights are being violated. Especially if a single customer was targeted because of their political views / protected characteristics etc.
The problem with the TikTok scenario is that no specific group is being targeted for restraint. And the government does have the right to regulate trade. E.g. there are embargoed countries, export controls, etc. The fact that you can't sell raw milk across state lines is different from a hypothetical restriction on selling raw milk to, say, people named Todd.