If you look just +/- stats in recent games..
Lauri is -3 against GSW in a 14 points loss (Garland -22, Allen -17, Love -21, Osman -20 etc.).
He was +13 against Portland in a 13 points win (Mobley -1, Garland +9, Love +7 etc.).
And against Grizzlies +10 in a 4 point loss. (Mobley -7, Garland -3, Allen-3, Love -10).
Yes +/- stats doesn't tell much but it tells that when Lauri plays, team plays better.
Then again, maybe another spacer could do the same for team that lacks shooting/spacing.
At now Lauri could be better to come of the bench without any pressure. He plays better at 3rd and 4th Q anyway as he doesn't do anything at all in 1Q. I don't know if it's NBA hierarchy or something but it was same in Bulls. He kind of starts attacking basket in second half.