This is a nice project, but terrible to use for legal text specifically.

Legal text uses its own jargon because the specific meaning of specific words in contracts has been exhaustively argued in court, so any lawyer knows exactly what they mean, and very lengthy court cases on this can be avoided.

For an example, this license lacks the word "irrevocable". This is not a small oversight, and makes using anything provided under this license legally dangerous even if you agree with everything else in it.