The reasons highlighted are general and beneath contempt. <br>1. If a beginner is foolish enough to not read the documentation and confuse between assignment and walrus inspite of the excellent documentation; I think they are too dense to be of any benefit to the society.<br><br>2. There are always potentially unforeseeable outcomes with all decisions (Lex this pointed out). Saying things like something <b>might</b> go wrong is a standard techniques, this is excellently demonstrated in the British sitcom Yes Minister, the greasy poll.<br><br>3. Python has been an excellent language with much better documentation than most programming language. Frankly I don't think Guido should pay so much attention to people trying to destabilise the community.