I thought I had heard our President called everything but a Child of God, but I had never heard him called lazy before.
HuffPo was doing it as early as Feb 2016
I learned in college marketing to "advertise your weakest point". In other words, if you have a restaurant that serves tasteless food then your advertising dollars should be spent bragging about how tasty your food is.
The left fears that people see Trump as the Energizer Bunny, so the idea is to push the opposite notion enough to counter that impression. Google "Trump lazy" and you'll see they've been doing this all along.