I think the volume of incorrect information is relevant here. Even though you may consider your <q> example to be "nit-picky", the sheer amount of poor examples

I think the volume of incorrect information is relevant here. Even though you may consider your <q> example to be "nit-picky", the sheer amount of poor examples and incorrect interpretations shouldn't go ignored. Not to mention attempts have been made to contact those behind W3Schools, and nothing has been done.