Then tell the courts to stop fining them and start fining all the closed platforms.
There is a clear legal asymmetry where allowing competitors on your platform makes you liable if they complain, but blocking out everyone except for yourself is a totally ok and legally rosy way to do business.
Are they such new/fleeting friends that they can't wait 24 hours? Otherwise, it might be a good thing that people can't be persuaded to install an app because a "friend" told them to, and it's somehow so urgent that they can't wait 24 hours.