The comparisons between Jones and Brady are wildly out of control. Firstly, Brady is the greatest player in the history of professional sports so we know now that that's where Brady was heading. No present quarterback in the NFL looks like they're heading in that lofty direction. Not Mahomes, not Herbert or Burrow, and certainly not Jones. Also, you have to keep eras in perspective.
In 2001, the league average passing yards per game was 205. The average passing TD's per team was 20. Compare those with the respective numbers of 2021... 228 passing Y/G and 26 passing TD's per team. There's an even greater disparity in quarterback rating... In 2001 the average quarterback rating was 78.5 whereas in 2021 it's 90.8. Brady's QB rating in 2001 was 86.5 (6th in the NFL), well above the league average. Jones' QB rating of 92.5 (15th in the NFL) is only slightly above the league average, which fits my eyeball test, Jones looks like an average QB to this point.
Let's see what Jones does in the postseason but if he's going to equal Brady's first go-round then he'll have to win the Super Bowl as the game's MVP. Brady was 14-3 (3-0 in the postseason), a pro bowler, and a Super Bowl MVP. Combined with the 2002-2004 seasons, Brady had the most significant singular impact ever on a professional sports franchise. If Jones contributes to a loss against the Bills tomorrow then he'll finish the season on a 1-4 stretch where he played poorly in all but one game against the worst team in the league. That's like the opposite narrative of Brady's first season as a starter.
My overall point is comparing virtually anyone to Brady is entirely unfair to that player x.