There were several PT mains active during that high day.
If we were to take Reflex playing PT as what PT's tier placement would have been, he would have been around where Pit/Rob/Fox are now.
You know, I studied dem PTs for over 9000 hours and was arguably the most informed non-PT main on PT (like no one ever was/is). While I played a character who absolutely brutalised all 3 characters to hard counter levels and would always state that Reflex's victories stemmed strongly from lack of match up knowledge. However, PT as a whole destroys most of the low tiers and is around the even to slight disadvantage, TO EVEN HAVING arguably advantages to around the mid tier area. These match ups have not changed.
The game hasn't changed much. Placements may alter a bit, but for the most part, characters will be staying in similar tier placements for likely the rest of Brawl's history.
I don't think characters will stay in similar tier placements. Not with the constant overhyping of at least one character every tier list, followed by everyone realizing their mistake the next tier list. Not with a new attempt at trying to standardize the stage list for every major tournament, and how that can effect match ups, and thus results.
Match ups can in fact change, and not just due to CPs available. People think of new ways to go about match ups all of the time. One very obvious example for me is the Ike vs Falco. For the longest time, we thought it was a 3-7 D. Now we think of it as a 4-6 D. Why? Because somebody thought "Hey, you know we could just take the laser damage to 30%, and then shield the rest ya know. After that, just let our superior up close game take over." Add in the Bthrow -> Dash Attack combo, and suddenly what used to be thought of as Ike's third hardest MU is no longer that hard.
Ike vs Olimar was even more just based on a different way of thinking. I've seen Olimar players (rarely) suggest that Olimar's advantage could be as low as 55-45 instead of 7-3. What happened? Nothing really, except that for no apparently reason Ikes were winning the MU. For no real reason, the MU is now 6-4 Olimar's favor. I doubt us figuring out that Nair is safe against Olimar's PS if we buffer our spotdodge perfectly is enough to change that MU that much on it's own. And then again, later on after that realization we found out about our Bthrow -> Dash Attack combo.
Both of these earlier MU ratios were due to a lack of MU knowledge. I would also argue that if Reflex got a very large part of his wins from a lack of match up knowledge, how do we know that those MUs are
actually that close? Particularly with not many people playing as PT. Obviously, we can't go "Well, nobody plays PT so these MUs are probably wrong", but it makes it very hard to be positive that they won't change in the future, either for better or for worse.
....Aaaaand I forgot the point I was going to make for this part of my post part way through. Dang it. Something about "If PT really has MUs on the same level as a mid tier character, why isn't he really getting the same level of results unless Reflex is playing as PT?" Pretend there is a good connection between what I just said, and that question in quotations. >_<
Why do I feel like all the regulars in the tier list topic are embittered to acting like statistics which are OLD are still not valid unless proven otherwise. Reflex was an OUTLIER for PT, yet the results of PT excluding him at his high day were still superior to other low tiers.
Considering Ike was low tier at the same time, I doubt that last bit is correct. Unless you mean only the current low tiers results back then, in which case you're probably correct.
And we tend to ignore old statistics because frankly, they are out of date. Old statistics had D3 doing better than he is now, Diddy not doing as well as he is now, ect. They also include stages that are no longer used. The tier list is a reflection of the current metagame. Not the old one, not the future one. While the current metagame is built on top of the old one, we're also past that level.