And therein lies the problem, the Cavs would have a massive rebounding advantage to go along with a highly efficient offense, that's one of the reason the Warriors ended up losing to them. You can't keep giving a good offense 2nd chance points, and you can't beat a team that limits your 2nd chance points.
The Cavs are champs, I find it hard to believe they'd lose to a team in their first year together, the 2nd year when Bron is a year older and fatigue starts to set in is when I'd expect the Celtics (with Durant) to step up. Also, Thomas has been a liability against the Cavs, his offense is great bu they would do to him what they did to Curry, involve him in screens that get him guarding Bron
Fair enough
With regards to Isaiah and the Cavs, if the Cs were to get Durant, Isaiah wouldn't be the focus like Curry was with the Warriors. If Isaiah isn't the primary option, that wouldn't be as big of a problem for the Celtics.