If you already have the $9.99 Basic plan, you can keep it.
I've been putting off having a local copy of the series and movies I watch because I still can access them quickly and cheaply enough in some streaming service, I think it's time to plan ramping up my selfhosted setup.
I remember commenting on Reddit that the ad tier would start chiseling away the solid ad free tiers. I had absolute vitriol spew at me for saying that. And here we are.
Just don't fall into the trap to think that receiving backlash automatically means you're in the right. Otherwise, u/spez and Putin would need to be considered heroes for their bravery of doing their thing despite protests.