Ingram is better than Simmons coming out of the draft, he fits better into any offense than Simmons does, and barring injury I feel that he will be the more consistent player throughout his career.
Simmons is the type of player you have to completely build around, you can't just plug him in, and he's an extreme work in progress. He will have more highlights than Ingram out of the gate but I think it'll take him longer to figure out how to win.
I second this, in the Lakers case they would have to completely revamp every element of their team to work with Simmons, the pieces don't fit at all, and Ingram fits what Walton aspires to do with this squad.