This just isn't true at all.
Varly had 1 good year for us, and he led us to a playoff berth for sure.
But before and after that he's been extremely mediocre. Last year he was barely above(He might have even been just below) the league average sv%.
I would even argue he was a contributing factor in why the Avs missed playoffs. Halfway through December his sv% was below .900 still. He cost us a lot of games in the beginning of the year, games that had we won we could've been playing hockey still in late April.
I think a lot of Avs fans like yourself still live in the 2013/14 season with Varly and still think he's this elite Top 5 goalie in the league. He's not. He's pretty average. He goes through short stretches where he looks like a Top 5 goalie, but he follows it up with stretches where he doesn't even look like a starter.
Remains to be seen with Pickard, but so far he looks far more consistent then Varly at the very least.