Well, that guy certainly isn’t using BR approved language. But he is responding to the ‘Debbie Downer/Freeyore’ types, very understandable.
Future proves the past
https://en.wikipedia.org/wiki/Ex_parte_Bollman
https://en.wikipedia.org/wiki/Dred_Scott_v._Sandford
https://en.wikipedia.org/wiki/Ex_parte_Merryman
https://en.wikipedia.org/wiki/Ex_parte_Vallandigham