This is true if by "get the attention of" you mean "shoot yourself in the foot".

People who are sympathetic to political action tend to become significantly less sympathetic when they are personally inconvenienced by said political action. And their ire tends to be directed at whoever they see as being most directly responsible for their inconvenience.

I am someone who broadly agrees with Aaron's goals. I agree with the principle of the protests. And it is for exactly THAT reason that I am squarely against this DDoS attack.