Have you been to Utah. They started out as a totalitarian state, were forced to integrate, but long to return to their roots.

Time + motivation + money can overcome a lot of obstacles. It also helps that template of what is needed already exists in Active Directory. This changes the project from “innovating something new” to “a slightly better copy” and is usually a lot faster and easier.

All copyright/patents are also void because of the sanctions at least in practice.