No actually it isn't cute to threaten to break their neck if someone mentions a topic you don't like.
This entire comments section is exemplary of the industry at large. We're doing fucking _engineering work_ "professionally" and the bitching is 50:1 on his tone versus his actual ideas.
The entire professional class has been brought to its knees by a culture that demands we tiptoe around everyone's insecurities.
It would be so much bolder and more mature if he threatened to run with scissors or hold his breath until he turned blue ;)
He may have some good points but might be more detracting than helping them stick.