Which laws and regulations are you referring to exactly? So far I see no grounds for a case.
Perhaps you would care to provide links to the posts in the 'development community'. I'm sure we'd all enjoy seeing a different perspective on this.
Logically this doesn't hold up. They do a staggered launch so they can try to adapt to issues as they arise. If they run into issues the most logical thing to do is halt adding new waves while it is resolved. There would be nothing arbitrary about the decision, if it is taken.