It was used to great effect - mostly to villianize Russia, but as needed against all of his opponents. When he was criticized for his age, he responded "I won't use my opponent's lack of experience against him" gaining a laugh and owning the conversation (worth watching).
It also made him more approachable and liked by the common man (and hated by the media, but whatever...)
"I've instructed my aids that in case of emergency they should wake me in all circumstances; even in a cabinet meeting!"