For the actual background on the current chain of events at MIT:
https://sterling-archermedes.github.io/index.html
For earlier allegations, take the original sources including quotes and references:
https://stallman.org/archives/2006-mar-jun.html
(note: there are many more archives. This also gives you an idea of the effort it must have taken to find those few "damning" posts, and to skew those out of context)