Liquid yeasts have far fewer cells than dried yeast, so a starter is a good idea. Effectively, a starter adds a couple days to the growth phase.
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
"I would like to die on Mars, just not on impact." Elon Musk