I use Google assistant to set reminders. It's so much more convenient than clicking through and typing the same thing on my phone especially or even my laptop. Literally works in 3 seconds. It's great!
I don't think that is worth the privacy lost by having Google parse voice commands. 15-30 seconds inputting data versus privacy lost by having a profile generated on me by Google.
A Google VP literally said that you should warn guests if you have voice assistants in your home.
I think it should be federal law that devices like these that are always listening come with stickers for purchasers to put on the front door warning guests that they are being recorded. Of course no one is going to use those stickers, but it will remind everyone of how big of a privacy violation these things are.