The team and rotation will be different in the playoffs, assuming they are healthy. I think a lot of people underrate how much shortening the rotation does to consistency. I believe this had a lot to do with the young team's success last year - not having anyone over their shoulders to look at on the bench as a replacement.
There are no back-to-backs in the playoffs. No immediate shifting of rosters or playing styles from one game to the next. No 11-12 man deep games. No tolerance for shot jacking and me-first play.
And to be honest, if at the beginning of the season I told you they would be 75% of the way through the season with 6 more losses than Golden State, would you be apoplectic? Of course not...maybe you would prefer 3-4 games behind them and certainly that is where the should be.
I think they will be fine.