To me Bobrovsky's best is as good as anybody's. His issue over his career as you said has been consistency, and he can be an easy target when he's struggling because he's never been the most technically sound or conventional goalie - he's more a Thomas than a Rask, you could say. Crazy good athleticism takes him a long way. But regardless, when he's on, he's ON.
The 'shoot high' thing is of course over-simplistic, but it is at heart accurate. The NHL website posted this graphic before the finals started of where Bob's been beaten in the playoffs so far:
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Going low on the guy, especially five-hole or glove side, just doesn't work. You either need to take advantage of his tendency to be aggressive and play out of his crease to deke around him, preferably blocker side, or you need to elevate the puck.
Of course this has been true of most of the really good goalies over the years, especially in the postseason. But the data verifies that it's especially the case with Bob this year. So while going high is not as easy as it sounds, I do think the Oilers have to put more effort into finding opportunities to get elevated shots on net. In most of the first game, that just didn't happen.
They also need two other things that were in short supply in G1 - more screens, and more potential tip-ins or subsequent greasy rebounds. Edmonton are very skilled but as the Rangers can attest that's not enough to beat Florida. They need to be more prepared to get bodies and pucks on net from all over the place. Bob was too comfortable yesterday. They need to make his crease a more difficult place to operate.