maxwell: The Chofetz Chaim may have preferred a beard, but he did NOT hold it is assur to shave. The Gemara, Shulchan Aruch etc who permit plucking with a tweezers obviously hold there is NO issue of lo silbash, and Igros Moshe explicitly permits it.
My “understanding” is based on documented historical facts. The electric shaver was invented after the printing of Likutei Halachos.
Reb Yaakov Kamentzky did NOT print Emes L’Yaakov nor was it printed in his lifetime. Someone collected recollections of things he said, and some of the recollection were inaccurate according to his son.