You're not the only one wondering this, and there's a related lawsuit (on first amendment grounds). https://www.politico.com/story/2018/10/01/trump-presidentia

You're not the only one wondering this, and there's a related lawsuit (on first amendment grounds). https://www.politico.com/story/2018/10/01/trump-presidential-alerts-to-phones-857287 https://www.politico.com/story/2018/10/01/trump-presidential...