>>Because that (as my old classmaster would say, "not going the path of least resistance"), would require taking a step away from the keyboard, thinking calmly about why the response was what it was, rethinking one's own words etc - whereas Naomi seems to have completely unaware of what reaction her choice of words may have caused, so she'd go explaining on and on, in the same manner... I've seen it happen a few times, and discussed it with her privately. Not sure it helped much, Russian is only my third language, and needs a lot of wd-40, so maybe it was too little, too late.
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>Your classmaster may have known my grandmother who used to say - before speaking, first turn around your tongue seven times

We'd say, "ispeci, pa reci" (roast, then say).