What do you mean everyone is now TSA-pre? With the dog, they don't have to take their shoes off and take out large electronics and get metal detector?
Are you talking about the T-2 West checkpoint? I've seen them route everyone by the dog before over there once (out of about 100 times), but then NO ONE was precheck--they had the whole precheck operation shut down that morning.
T2 next to United. No shoes off, no computers out, no belts off, etc. for everyone as they had been past the dog