The vast majority of people I know have desktops for apps which require more processing power like gaming, 3D work or media editing. They don't really care about power consumption or heat production
TBH and are more interested in the maximum processing power they can get for the money. No person I know even keeps their main computer on for more than 48 hours in one stretch. The only computers I know which most people keep on for long periods are servers and
TBH you do not even need a dual core processor in many cases even for that.