Sort:  

Sure but ETH also isn't clogging up their network with raw text via a blogging network. It's not hard to use 22KB a second. That being said, resource credits are so cheap their value rounds down to zero. So there is that.

make RC require more HP and problem solved :)

RCs are basically a derivative of bandwidth.
It's not a problem that bandwidth is free right now.
Many see that as a feature.
It won't last forever.

In any case, I'm pretty sure the system works by increasing RC costs,
not lowering the amount of RCs you get from HP.

I was implying that RC costs will increase if we'll have too much traffic