There’s gotta be an extension that does do a good job, right?

Good point. I guess that depends on a quality over quantity promise, which I guess would also fit op’s idea.

That would make business side incentives more aligned with the user side, but I could never see anything with a high barrier of entry accumulating enough users to actually be usable.

Maybe its free at first and as it grows in size and activity the cost goes up? That feels kinda sketchy

I see this more as a tool for people who notice reduced battery life and want to do something about it. Currently they essentially need to guess if the battery is the issue and get it replaced to find out.

If you notice your battery life shortening, the health check can either confirm that you will see improvement with a new battery, or it will tell you your battery is okay, and reduced life is due to software changes or increased usage.

You didn’t have to do anything?

I rode it out as long as I could, but the day came where the only post in my feed was a reddit post about the API changes

I get what you’re saying and also encourage skepticism, but in this case the first and second parties are you and Apple.

Thanks. Worked for me.

Took me a while to find the setting under the audio and video section of the settings, because I was constantly looking for it under instance, general or advanced.