Yeast-carbonated root beer definitely has a different taste from what you'd get commercially. Give it a couple weeks in the fridge to settle out and it will taste better.
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