Why would we want to wait until someone is perfect before we give them a chance to make things better?
Each of us is part of a system, cogs in a process that rewards us for certain actions based on various inputs.
When the system is broken, some of the most highly leveraged, aware and insightful people notice. And of course, since they’re part of the system, they’ve been affected by it.
These are ideal qualifications to speak up and make the system better.
One way the status quo stays in charge is by encouraging people to stand by in silence, fearful of being called out for hypocrisy.