I think Trader Joe is the one that mentioned how high DJ's 3P% for the season had gotten after such a terrible start. Frankly I didn't believe him and hadn't looked in awhile either.
So I just pulled his monthly splits and of course he tore through JAN and FEB (when people started saying "he got better as a PG", code for "making shots"). He stabilized closer to his norm the last 2 months (37%) which is still pretty helpful, though a bit shy of "3P specialist". But no big deal because after all he's here as a pass-first play creator off the bench, not a spot up specialist.
That's when I noticed that in some months he appeared to have been not just worse from 2 than from 3, but drastically worse. And on top of that it also seemed like at first glance that he was really only taking 3PAs.
Sure enough, his ratio of 3PA to overall FGA jumped up to 75% for FEB and MAR, though to be fair it was running a bit over 60% for the first 3 months as well. Still, 3 out of every 4 shots DJ takes in recent months are from 3!? Doesn't have a lot of drive and dish or layup creator or even FT line pull-up jumper off the dribble in it.
And in those last 2 months he shot UNDER 30% FROM TWO. Under 30. His high point this year was 41% from 2 in JAN. That doesn't include 3PAs but does include layups, breakaways, etc. Pretty awful as a low or middle mark, let alone a high point.
On one hand then it's great he's only shooting the 3 because he kinda sucks from 2, but on the other it signals that he's not able to get himself to a quality 2PA look.
Being a guy who can only spot up for 3 doesn't exactly help create assists for other players apart from ball rotation around the arc. I mean I would think a guy with handles that's in the middle of a 40%+ two months would have plenty of chances for drive by moves on guys closing out hard, yet the stats suggest it hasn't been happening (which matches my anecdotal view).
He's not drawing FTAs either, though neither is Hill, and he and Hill are virtually tied at a "meh" 5 Ast/36 on the year. But Hill scores the 2PA better than the 3PA and drastically better than DJ. That and defense separate them by a fair margin.
So ultimately to me DJ seems replaceable with a guy who is specifically a 3P% ace if his role is going to follow these numbers. Guys like Paul, Lance, OJ and Green can advance the ball as needed and if a guy is going to camp the arc I'd rather it be a shooting specialist with enough size to score the ball better inside the arc than at it, even if he takes most of his shots outside the arc.
At this point you could basically swap OJ for DJ in the off-season without really missing something based on how that backup PG functions in the system this year.