We also determined in the 1960s that solar power was a pipe dream and it would never be efficient enough on a large scale to be worth investing in.

Maybe don't use an Appeal to Antiquity.

I think most people would agree, in general, lagers are the worst beer; but sure there could be a good low alcohol lager somewhere out there. Stouts will always win out in my book so maybe my tastes don't align well with others.