Really interesting and tough one here. Obviously, there are certain behaviours that many of us truly cannot help, and for those, we do need to be excused. There are other behaviours that are every easy for many of us find easy to control and fit in with society on, and for those, we should not use ASD as an excuse.
But there's a massive middle ground of things that we can control, but cause us varying degrees of discomfort. To what degree should we be expected to control them? Under what circumstances?
When, and to what degree should those of us who stim be expected to control our stims so we don't look weird?
When, and to what degree should those of us with social difficulties be expected to attend social events so that we fit in with society better?
When, and to what degree, should those of us with sensory issues not quite bad enough to cause meltdowns be expected to put up with loud noises or flashing lights?
It's often very difficult to draw the line between knowing your limits and making excuses, and something that I think many of us struggle with.
I don't think this has to be an either/or thing. I have ASD, and it is part of my identity. But it's not my entire identity. ASD is part of who I am, but I am more than just my ASD.