There are two issues here, one being Stallman's hesitance regarding the use of the word "child" depending on which country this all took place in, and two being Stallman's comment that there may have not been any coercion at all.

While it's vanishingly unlikely the latter was the case, to vilify Stallman for these statements instead of making scientific inquiry is absurdly reactionary and unempathetic towards someone who is very naturally trying to make rationalizations towards the behavior of someone whom they hold in high regard, as is typical in during the doubting stage of grief.