How to stop Samsung phone from listening?

I have Google Assistant turned off, have had no idea my phone has still been listening.

Context- My kid just got a Beyblade for Christmas. I've never searched it on Google before whatsoever, toy came into my life completely out of the blue. It's not the most popular toy out there either. I was helping him get everything set up, we were having some trouble getting it assembled, so I told him that I'm going to "look it up". I …

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