Let’s look at some numbers. In 2006, his first year as starter with the team, Brees through his first three games had:

3 TDs
2 Int
7.2 yards/attempt
team 25.3 ppg
Horn, Colston, Moore, Henderson, Bush, Deuce as offensive weapons.
4 pre-season games to work with the first team starters.
0 games where team was displaced by Hurricane
0 coaches missing for Covid protocol.

Winston in his first 3 starts for the Saints has:

7 TDs
2 Ints
6.1 Y/A
24.3 ppg
Kamara...and a bunch of guys less talented than Brees had.
1 preseason game working with starters.
3 games team displaced by Hurricane.
5 coaches at least missed from Covid protocols.

Now, you can call someone pointing out these facts as being an apologist if it makes you feel better. I call it being a realist. I also don’t see the comparative “ineffectiveness” you are complaining about. Payton had two seasons watching Winston and I don’t think he would make him his starter if he had doubts about his ability to pass the ball downfield. But, as you say, time will tell.

You really think the 2006 roster was equal to the 2021 Saints roster?

You're comparing apples and oranges...