"The companies, airlines, hospitals etc. complied. They have the right to dictate their own rules for service, employment, etc."

Be careful here. Companies really do not "have the right to dictate their own rules for service, employment, etc." when it is a violation of the legislated law. Companies are 'creatures' of the State. They are granted permission by the SoS of each State to do business within that State. Companies are often given leeway from the State to make policy as it specifically relates to conducting business. However, the face mask requirement was the first of its kind anomaly. News laws need to be enacted. In some states face masks were already encoded in law as being unlawful. For example, in NY under its tyrannical governors, they simply refused to enforce their existing law. In the courts they have consistently held no emergency or EO can override and nullify existing law.

Since face masks are by FDA definition a medical product, most companies are not lawfully medical practitioners nor are they medically insured to be such. This is a huge violation of law. The only reason this whole fiasco existed is because the payroll loan institutions (ergo, big banks) unlawfully blackmailed companies to mandate it. In addition, the Federal and Demwit Governors also were onboard with this scheme. Biden's alleged EO for the private sector companies with 100+ employees NEVER existed. There was no official mandate for the private sector and it does not exist in the Federal registry. Biden only said this by verbal 'daffy' decree. All the companies used this as a facade to hide their non-disclosure agreement for not to revealing the terms and conditions of the bank's payroll loan policy. Companies depend on the banks to make payroll.