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Found in a syllabus "students who don't go through [the standard process of requesting accomodations] are unlikely to receive accomodations". Let's unpack why that's an issue: 
1. At many institutions, receiving a certain accomodations requires you to fit a very narrow mold. For example, to receive captions, you have to be deaf/hard of hearing. But there are other people without a medical record of hearing loss who need captions.
2. Some accomodations are stigmatized, like needing extra time for work or having a relaxed attendance policy. While these are very real and important accomodations for many folks, lots of Accessibility offices try not to grant them for fear of people "abusing the system".
3. Therefore, folks have to rely on the good graces of their professor to grant those stigmatized accomodations. This professor's policy doesn't allow for that.
4. Getting a formal diagnosis and all the proper paperwork is not possible for some people. An assessment for Autism or ADD/ADHD can cost thousands. If we don't work to accommodate students who don't have formal diagnoses, we are only accommodating the most privileged among them.
5. Part of the reason accomodations offices exist is to protect the medical confidentiality of students (i.e., so they don't have to disclose diagnosis to professors). But what if a student can't access formal accomodations for the reasons listed above?
6. They are forced to turn to their professor, and if that professor has standards like the one in my original tweet, it is likely they will have to explain a lot for the professor to work with them a little. This happened to me:
7. My accomodations are for deafness. There was something I needed that wasn't listed as a formal accommodation, because we switched to Zoom halfway through the Spring 2020 semester. I basically had to explain my entire medical history to a professor for them to agree to use it.
8. In closing: believe your students. We are not trying to pull one over on you (especially not in grad school!). Give us the support we need, whether it's verified by fancy documents or not, so we can succeed in your class.
