No, it isn't. If you don't treat until it's necessary, then only what is necessary to keep them alive, you give them the longevity to build resistance. If you let them all die, resistance is seldom accomplished. Resistance usually takes more than one generation.
""What is your take on shaking bees at the end of the season instead of wintering over? They stupid too?""
Human self-preservation varies with each individual. What a man does to make the best living he can make varies also. For me, in NC, shaking would be non-profitable. For him, in northern Ohio, he must be doing what's best. He's still in business and I suppose eating regularly.