[Retric]

Hand washing does not get dishes as clean. 70+C Water is useful in this context as it kills off bacteria which can help cut down on disease transmission.

[JoshMnem]

I don't think it's healthy to live in a sterile environment.

https://en.wikipedia.org/wiki/Hygiene_hypothesis

https://www.theguardian.com/society/2015/feb/23/children-all...

https://www.webmd.com/allergies/news/20150223/could-a-dishwa...