I'm too impatient to use a tripod.
And the life of the ebony clock went out with that of the last of the gay. And the flames of the tripods expired. And Darkness and Decay and the Red Death held illimitable dominion over all.
Some cameras are heavier and need to be on tripods. Others are small enough to hide in your pocket. There are places where you don't want to feel like you are disturbing anything, so I may use a camera like that.