Why would you not just block them after the second time they did that? That's such an incredibly low bar to cut off that annoyance that I'm having a hard time f

Why would you not just block them after the second time they did that? That's such an incredibly low bar to cut off that annoyance that I'm having a hard time feeling sympathy. The same thing happened to me (though with a water company, of all things), and that was my approach. Block on the second like and move on.