In the UK your dishwasher is typically connected only to the cold water intake, so that’s not a problem unless you have multiple showers in your house… that said, water heaters are often limited to either heating or hot water (not both at the same time), but that’s not an issue in practice since you’re not going to be using the hot water for long periods of time.

They do, they’re just not connected to the dishwasher so don’t need to be factored into its energy usage.

But then shouldn’t there be a delay when using actual Chrome?