I don’t think that course would be a very wise thing to do; you would be opening up yourself to civil litigation regardless of your stand.
I think the best thing for a business to do is straightforwardly tell these customers that their business is not appreciated, but you will provide the service anyway, under compulsion. Turn the tables back on their liberal mindset, and maybe they will see how ‘nice’ and ‘tolerant’ they really are.
> I don’t think that course would be a very wise thing to do; you would be opening up yourself to civil litigation regardless of your stand.
We’re way past the worrying about civil litigation stage now.
You’re already open to civil litigation for pretty much anything. Welcome to lawyer nation. The question is whether you can be successfully sued and what the cost will be. Failure to bake a cake due to happenstance is unlikely to result in significant damages being assessed. Its a small claims court issue.