I don't think it is fair to make a judgement that this is a politically charged action rather than just business as usual.
The decision to continue to service specific entities is a political move, same as selling weapons to Saudi Arabia or Iran, or the stance the NBA has taken with China regarding its pro-HK player. It’s why finance institutions have some amount of checking that they’re not being used to help wire funds to terrorist groups.
Now government discounts are common way if you are expanding to Federal or State government clientele. For Enterprise the discounts will have a different name or flavor thats about it.
If some one prove a case that a rabid anti-immigration activist salesman or executive gave this service pennies on dollar to ICE, you can argue for walking back on this contract, otherwise its Enterprise Sales doing what it is supposed to do.. make it rain and improve top-line.