Because they are natural connectors, it's important that introverts feel a part of something greater than themselves. They love creating community and connecting people together with aligned opportunities so everyone benefits. They create a natural win-win, collaborative opportunities for everyone involved.
While there's still plenty of room for things like sensitivity toward parents who are disabled, and more information needing to be disseminated to professionals that come into contact with parents who have a disability, I can say that I've seen some small strides being made. It's possible, with a few modifications, to be an active parent in your child's life, and not sit on the sidelines.