This is logic that I cannot comprehend. If Isle win, they'll get manhandled by the Bolts. But the Flyers could give them a run for their money, when they're on the verge of getting eliminated by a team that you think can't.
I'll do this in numbers to make it a bit easier to explain.
Tampa have played as a consistent 9, which is what you'd expect.
Isles have played as a consistent 8, which is what you'd expect.
Flyers have been playing at 7 or 7.5 this round, which is why they are down to the Islanders, but are capable of playing at 9, and if they can somehow manage to get back there they might turn this series around, and if so can potentially beat Tampa as well.
It comes down to the Islanders have not been winning the series because they are the better team, they are winning it because the Flyers have not played overly well.