A revocable right is not an absolute right. It generally means rights may be revoked if the other party commits a breach of the terms of the agreement. (imagine if Elon woke up one day and decided not to let you use his cars anymore)
The T&C's is a legal document and it should read that way, regardless of whether there is a "kill switch".
It just reads to me if you want to charge for an app you'll have to come to some sort of agreement with HE 📢 New Community Developer Apps and Drivers
