I'm on the "OK but keep an eye on it" train, here.
Devs need feedback to know how people are using the product, and opt-out tracking is the best way to do it. In this case, it seems like my personal data is completely unidentifiable.
I was coding in the IE6 era, so I'd really prefer to not end up in a browser engine monoculture again.
If my ISP starts throttling my traffic, I'll just switch to one of the zero other providers in my area.