V1 is not always equal to Vr on a dry runway. Absolute nonsense. Yes it might OFTEN be, but certainly not always.
I took off with a 5kt tailwind today. V1 112 Vr118 V2 118
I took off from a different port yesterday with nil wind. At the weight I was at we had V1 120 Vr 121 V2 121
Turboprop RPT operator.