There should be universal understanding and a general celebration of the fact that a disabled person is willing to try new things, to attempt work, and to express two (and possibly three) potential no-nos.
Keep in mind that other posters, who asaik do not have brain injuries, have expressed their ideas and frustrations regarding unclear shop guidelines. Some of them have been through the wringer! But have any of those persons been told that they are 'too dumb' to work for the MSC?
Bach is not noise, Madam. (Robert, in Two's Company)