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

Switch between profiles to organize work/personal tasks or swap users on shared devices

yes that would be really helpful. I would prefer if sites i use at work, searches etc didn’t pop up on my personal machine and vice versa

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

AI in the product name or description makes sure that there is not a single chance I buy it.

It makes filtering products and companies easier

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.