How do you wash dishes by hand? Soak them first or just wash them?

Ok so a random YouTube video pops up on my feed. It was about how to properly wash dishes. In the video it talked about soaking dishes in a hot soapy bath first which is a common way people wash dishes. In the video it says don’t do that it’s a waste of water, it could spreads dangerous bacteria to all your dishes, and pointless waste of time.

My grandma always taught us to soak the dishes first then wash them. Now I wonder if I’ve been doing it wrong the whole time and possibly spreading bacteria to my dishes. Also when I soak them I make sure there is no food, sauces left on them I completely rinse them before they go in the water. Which is the right way or which do you do? Do you soak your dishes before you wash them or not?

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