The reason I don't like Jefferson is that he nearly bankrupted the country by trying to make the US not trade with any other countries. This sent the US into a depression.
He also got our seven navy ships destroyed by a bunch of African Pirates. The pirates would not have destroyed the ships if we would have sailed the alternate route in the Medditerain and paid the charge that every other country did. He said that since we were American we did have to pay the tax. What does that even mean? Plus all but one of our ships were captured and all but one destroyed. The one ship they didn't destroy was destroyed by Americans because we didn;t want them to have the ship.
The Lewis & Clark expedition. This wasn't the big deal we have been taught in school. The areas were already explored by Canadian David Thompson who had mapped almost all of the areas. Lewis & Clark already had maps of the area, and who did they have maps of? David Thompson.
The last reason for disliking Jefferson is because of his role in the Louisiana Purchase. Jefferson never wanted to purchase the land. He was basically forced to purchase it because his staff forced his hand. In fact when he signed the contract to purchase the land under his name he put in parenthesis with trepidation.
I know I spelled trepidation wrong, but those are my reasons for disliking Jefferson.