The bank pin is more common, steam and other apps not very frequent. The less frequently you type in a password, the more you need a password manager, though. I also tend to store numbers like national insurance (it's a number not dissimilar to social security number), credit cards and such in my password manager (keepass).

I do agree you can open your browser up and check, if you have that handy. But I'm happy with not having to open a full blown browser to get to my secrets and not sharing even my non-browser related secrets with mozilla, google or apple. Anyway, my point was just that there are lots of places that are not web pages that you need to provide passwords to. And I'd actually say that people who aren't techy are more likely to have more than those, than, say, web developers, who tend to do everything on the browser.