Now will a single person going through security with no ID/etc change anything? No, but you bet if large numbers of people were organized and did something similar, or did it on an ongoing basis, there would be media attention.
You are correct, because this translates into having one of the necessary components to effect change: people, AKA a voting bloc!
The only problem is, how many people are going to find the TSA so offensive as to be willing to participate in any sort of mass protect?
Most people probably are going to do a quick mental cost-benefit analysis and decide it isn't worth the trouble, especially if it involves risking the possibility of missing their flight.
Airline security is a minor blip on the radar screen for most people.
And, sorry, but asking for a full-body pat down in lieu of going through the metal detector isn't going to make screeners view you as some sort of rebel protester ... it's more likely we'll think you're a pervert who just likes being touched by another man!