Earlier quoted context omitted.
I'm investigating the same thing. But my bet is that they will either change the terms or lower your cdn-cache size (therefore lowering performance, you can't serve popular videos without a CDN). And the difference is that you will fail your customers when that time comes because you'll just get suspended (we've seen some cases here on the forum) and you'll have to come here to complain so the ceo/cto resumes things…
I don’t believe anybody on a paid plan has been suspended for using R2 behind the CDN? (I’ve seen the stories you’re alluding to. IIRC the cached files weren’t on R2) In their docs they explicitly state it as an attractive feature to leverage, so that’d surprise me. That being said, I’m not planning to serve particularly large files with any meaningful frequency, so in my particular case I’m not concerned about that…
> I’m distributing low bitrate audio, and small images, mostly
This means the cache-size would be much smaller though.