These days, we are used to taking pictures using mobile phones. Our expectation is to have quick photographs and we do not want to spend time waiting for the photographer to setup a tripod.
These days, due to our familiarity with point-and-shoot cameras and mobile phones, we want quick photos. We do not want to spend time in an elaborate setup.
More importantly, the tripod is one more thing that needs to be carried around. But then not having a tripod did show up in the dragonfly photos. With a tripod, I probably would have got more steady shots.