Dak has NEVER played like Purdy has. Purdy is exploiting the middle of the field against defenses in his first full year, while Dak was Captain Checkdown, relying on Cole Beasley's out routes and against horrible teams. They've had an off-season of tape against Purdy and he has gotten better, while Linehan had to dumb down the offense against after the Denver game, when Aqil Talib had 2 picks. Dak had like 3 pick 6s in the first 4 games of the season in year 2 and when Zeke was suspended for 6 games, he couldn't even put up double digits against any winning team. He struggled against scrubs.
People keep creating narratives around Dak like he was this elite QB that regressed, when in fact, he's always had these warts that were hidden by major talent that surrounded him.