[thinkling]

Nothing in the schemes I suggest takes the President any time. You outfit his environment with picocells & secure wi-fi networks, set up his phone to prefer to connect to those, and you're done at least for preventing Stingray attacks.

I think a more compelling answer would be "You'd think that the government's IT people would have found a way for Hillary Clinton to have an easy-to-use yet secure email server and yet they stonewalled her to the point that she had her own server set up at home."