I don't see what battery replacement cost has to do with it. Batteries are consumables that have to be replaced periodically anyway. --
"Andrey Semyonovitch really was rather stupid; he attached himself to the progressive cause and 'our younger generation' from enthusiasm. He was one of the numerous and varied legion of dullards, of half-animate abortions, conceited, half-educated coxcombs who attach themselves to the idea most in fashion, only to vulgarise it and who caricature every cause they serve, however sincerely."
- Fyodor Dostoevsky