I think line-up data, 5-man, or even 3-man or pairing data is useful. Seems like the closer you get to 5-man, the more noise you remove. But even with 5-man, there is noise, because you don't know, just by the numbers, who that lineup has been playing against.
But individual +/- is impacted by so many things, and the number doesn't give you the context.
Regarding Luka, he hasn't been LUKA, but he's still been good compared to an average NBA player. You can point to things that Luka has done that could negatively impact a lineup (not getting back on defense because he'd rather chat with the ref), AND you can point to lineup issues that would impact Luka's +/- number. He has spent lots of minutes in the dreaded 2-big starting lineups that have tanked. And Luka has spent a lot of time in 4th quarter lineups that have tanked. I'd say Luka not being LUKA has contributed a little to the tanking of the 1st and 4th quarter lineups, but the lineups themselves have been a huge problem because of non-Luka factors.
But individual +/- is impacted by so many things, and the number doesn't give you the context.
Regarding Luka, he hasn't been LUKA, but he's still been good compared to an average NBA player. You can point to things that Luka has done that could negatively impact a lineup (not getting back on defense because he'd rather chat with the ref), AND you can point to lineup issues that would impact Luka's +/- number. He has spent lots of minutes in the dreaded 2-big starting lineups that have tanked. And Luka has spent a lot of time in 4th quarter lineups that have tanked. I'd say Luka not being LUKA has contributed a little to the tanking of the 1st and 4th quarter lineups, but the lineups themselves have been a huge problem because of non-Luka factors.
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