In the real world, DA mode for first round often means “first round flyer” which goes nowhere near the point of aim. This is why many police departments have shifted to DAO and semi-DAO types.
And before you claim you would cock it first before firing to get to SA mode, wow, you just slowed yourself way down.
As I pointed out well upthread, the CZ75B is made to be carried in condition 1, just like a 1911.