The concerns are about the credit card you use to pay.

The argument is that they can associate the card with your searches.

As far as I know they don’t keep search data. I’m personally happy with them

I do. Just the feature where I block domains and they pop up in the results when I search something is a reason to pay for it for me.

And people voting down those spam sites means that you also won’t get them in your results. 5/5

Haven’t really used the older models but the x1c line is decent imo. Also t14. Z line is also good but focuses on different crowd.

Sekiro. Either I would finish it or I would just break something. Most likely the second

Highly recommended. I use both vertical mx ergo and the mx ergo and would recommend both. It’s very nice not having to move your arm all the time especially across multiple screens