I'm still kinda iffy on this trade buuuuuut ... Lucic does replace a lot of the offence Hall created. Hall has 6 points and is -1, Lucic has 5 points and is +3. I expect Hall to outscore Lucic, but if Lucic replaces even 70% of Hall's offence and you add in the net gain of Larsson.
I think it was a tough choice when Chia realized he could sign Lucic basically for free (asset wise) AND they had Puljujarvi (another winger) fall into their laps.
That's two more wingers, do you say no to Lucic and lose his strength/size alongside McDavid. If you sign him AND keep Hall, then you have limited options of upgrading the blue line.
It was kind of a perfect storm for Hall to go. I would've preferred to do Eberle for Larsson, but obviously I don't think New Jersey was doing that.
The other issue with Hall in Edmonton was he simply didn't play well with McDavid. Of all the wingers we tried with McDavid he was honestly probably the worst, because he needs to carry the puck and that's just silly when you have Connor McDavid on your line, but Hall really isn't built to be a "just go to the net and play a simple game" type of player. McDavid/Hall was a disaster, it was only after McDavid got off Hall's line that his scoring exploded (1 point in the first 4 games, most of which was with Taylor Hall, after that he had 47 points in 41 games away from Hall).