When you see either of these appear on a page, the answer is No.

Lightbox popup appearing on a blog, asking for us to subscribe to their newsletter

Safari popup dialogue box from the same blog asking if we want notifications from their site

I’m not picking on Londontopia specifically, I otherwise love their writing and features. These are systematic issues with the web today. Whatever we won in the early 2000s with first generation popup blockers, it was the battle and not the war.