No, people hate pop ups because they steal focus and draw attention away from the content they’re interested in. Whether it’s a pop up or a popover, a prompt asking me to sign up to your newsletter is not something I want.
If you haven't already, go enable the Annoyances and Cookie banner filter lists in your uBlock Origin installation. It doesn't get all of them, of course, but it does get a lot. For the remainder, the Kill Sticky bookmark is pretty good about knocking them out: https://www.smokingonabike.com/2024/01/20/take-back-your-web...