Never happen. Moores law is winding down.
No, it's not.
Even at that, we are still 350-500 years before the average home PC can support complexity equivalent to the human brain.
Yes, but it would seem the average human brain is devolving into ..............................
"Siri, how many ounces in a quart?"
"Alexa, what color pants should I wear today"
It might speed up to maybe within the next century the human brain will be about as smart as a credit card size calculator.