FWIW, i never expected a sweep, and i think most pundits put the series at 6-7 games. The issue I have is that you can't give away games in a series that's expected to be this tight.
I was unhappy with the way they went into the 1-3-1 in the 3rd with the lead. We saw the same thing happen in game 1 and they almost lost that game. The oilers strength is their offense, and we allowed them to play into that, and took away our ability to put pressure on their weakness which is their defense and goaltending.
I liked the way our team battled back from down 2-0, and then the response going up 4-3 late in the 2nd. So, making a challenge after the play was already reviewed, late in the game, and giving them an opportunity to ride the momentum into a PP is just... it's a huge mistake. Drop the 1-3-1, go back to putting pressure on the oilers. Get some zone time. And give your team a chance to win the game.
They took their foot off the gas. And they gambled with the challenge and lost. They took away their ability to compete for the win. They deserve to be critiqued. Did I expect an easy series? Hell no. But I do think they threw away their chance to put the series out of reach going up 3-0. They f***ed that up last night.