Let's all reread the OP.
I would have had a tendency to 'bug' the UP speed + 5, giving a bit of leeway to the AFDS + A/T, especially in gusty conditions or with SID profiles that include fairly steep turns after departure.
is not procedure. It's there in OMB Procedures. The LTC want him singing off the same hymn sheet as everybody else. We are not talking birdies in the Andes, fighter planes, 737 Classics- let's stick to why everybody should follow standard procedure.