Dave, sometimes affectionately known as Motormouth Dave, was a regular caller to 980 CKNW talk shows for decades.

This week on This is Why: the podcast explores eSports, which is growing so fast around the world some experts have predicted it could overtake traditional sports in the next 10 years.

"People can still overdose on it. It's an unsupervised model. Also, this doesn't purify the stimulant use supply."