We also need to fix the internet so that DDoSing is harder.
Imagine a world where all ISPs didn't let you spoof IP address. And, controversially, one where ISP customers had to pay for their SmartToaster's outbound DoS.
They are monopolizing and centralizing the Web to the detriment of everyone. You don't need to believe me, though: the free and open Web is on a march toward death, Cloudflare is one of the nails in its coffin, and I will be happy enough to say "I told you so" once the grave is filled.