Kinda funny, I went the opposite way. I've always had their top tier 4k thing but cancelled a year or so ago when it got to $27 or whatever; we never watch it anyway.

Recently my partner was once again interested in watching something on netflix so instead i signed up for the cheapest 1080p ad-supported tier for $8 or thereabouts. I don't really watch it, and she won't miss the quality. If the ads don't bother her, so be it. If they do, we'll just stop watching paying for netflix again!