YouTube is testing server-side ad injection to counteract ad blockers

I feel the same way. Or felt. It is a wonderful platform that will let anyone upload and share videos at absolutely no cost. Video hosting isn't as expensive as we are often lead to believe, but it isn't cheap. Especially if you want to provide a great experience like different resolutions and qualities.

I used to subscribe to YouTube Premium and was quite happy about it. However they slowly made the platform worse and worse. At some point it hurt to give them money, even if the subscription was "worth it". I just didn't like giving money to people destroying a great platform.

Luckily YouTube still supports RSS. This means that I can easily mix in other video platforms with no bother. I now subscribe to Nebula and have 35 subscriptions there. I also have a handful of PeerTube, video podcasts and other self-hosted creators. It isn't the "majority" of my subscriptions (Apparently I have ~200 YouTube channels that I subscribe to, but a huge number of them are dead, second channels or incredibly infrequent.) but it doesn't matter. All of my subscriptions come to the same "inbox" and it doesn't really matter what platform they are on.

Why don't you drop the nebula subscription and pay for YouTube premium then? You get rid of the ads and get some extra features and can keep your curated account.

This isn't a solution for everyone, but those who can afford it could help making YouTube make money and keep it around.