Trouble is, getting teenagers to accept and live by that isn't something that will pan out. Societies have been trying for millenia.
If your system built for teenagers relies on the social contract in this way, it's a bad system. People who are over a half decade from a fully developed brain aren't going to grasp this.
What disability accomodations do you think the parents are receiving?
That's not mentioned in the article. Is this your personal speculation or do you have something to support that claim? The article seems to make it clear that it is the students themselves getting these accommodations, so your claim is directly contradicting the article we're commenting on.
> why are we acting like stanford students are unaccountable teenagers
Well they're definitionally teenagers, and if you know of a way to make teenagers act en masse accountable to society's values, that would be a novel development in social human history going back to Ancient Greece. So barring that, we should treat the teenagers whose brains have not yet developed enough to grasp society-wide consequences for personal actions as such.