One would think speaking about drug use, in that manner, around three / four year olds wouldnt be appropriate.
Joe was Insane before he became senile.
Racial overtones, absolutely
What could a person learn about previously smoked marijuana cigarettes from small children in ones lap?
Not a damned thing, obviously.
Why would a rational person then assert that Joe was speaking of marijuana roaches in reference to this?
Because that is not a rational person. That is a person intentionally misunderstanding in order to provide cover for Joe Biden, who is a racist, a pedophile and a bully.