Am I allowed to be angry about having diabetes?

My post about my insulin pump failing 1-2 times a day while I was on vacation hit Hacker News, and then BoingBong - which I'm not a fan of, actually. A lot of the commenters on Hacker News seemed very scared about how angry I was. I wrote the post entirely to confront an audience with that anger. I believe that this anger is politically expedient and that more disabled, medication-dependent people should embrace and voice their anger, in public, to audiences who are frightened and alarmed by it. The United States has what amounts to globally very good disability infrastructure, and we owe that entirely to a disability rights campaign which involved sit-ins, protests, and loads of public anger. Anger is what will win you your rights. I've seen this in dozens of places in my life - including in unionization, where I've seen anger work much more swiftly and decisively than positive emotions. I believe our society requires much more public anger about healthcare specifically than we tend…