Almost everyone is paying for their electricity based on usage, and yet people don't seem to think "this will cost me a dollar" when turning on the washing mach

Almost everyone is paying for their electricity based on usage, and yet people don't seem to think "this will cost me a dollar" when turning on the washing machine (unless really short on money). I think usage-based SaaS subscriptions could make sense from user's perspective, they are just too uncommon right now.