alt Hacker NewsSame as they already pressure these companies. Remove access to the admin thus giving them unfavorable terms on other issues compared to their rivals. Tell them as much in private and what they can do to rectify it. That's this admin's whole modus operandi, is it not? There's a reason all the CEOs clamor to go to the relevant WH events.
A CEO's time isn't that valuable. Even if you count an amortized fraction of their total compensation, sending them to a White House event for an evening is orders of magnitude less costly than giving up access to the best software development tools.