I would say I was sad to see it go, but I moved to karakeep (formerly known as Hoarder) a few months ago and it's been a perfect replacement. Most importantly, you can self-host it - which is great.
One thing that stood out to me in the article was this this to justify the shutdown
> But the way people use the web has evolved, so we’re channeling our resources into projects that better match their browsing habits and online needs.
I'd be really interested to hear what exactly they mean by this, are people visiting fewer websites? Walled gardens like facebook etc make it useless for bookmarking so I can see how pocket would be a bad fit there