Originally Posted by Slaninar

On pavement, where threads can't dig into the surface - the less thread the better. Extremes are knobby tyres - the worst and slick tyres - the best. Yes, there is a situation where a piece of thread could grip just behind a small groove in the asphalt, but on 99% of situations it doesn't line up - so has no benefit, just reduces traction.

Slick tyre, wide, with lower pressure, so that it can make shape to fit the road texture is as good as it gets on a bicycle on a dry or wet pavement. Everything else is just marketing. It's easier to take people's money, than to explain what I'm trying to explain now.