I haven't made up my mind or voted yet, but some data to consider:
Draisaitl's help from McDavid:
- ES: 22 of 66 (33%)
- PP: 32 of 44 (73%)
- SH: none
- Total: 54 of 120 (45%)
Nicholls's help from Gretzky:
- ES: 23 of 87 (26%)
- PP: 30 of 49 (61%)
- SH: 11 of 14 (79%)
- Total: 64 of 150 (43%)
Overall, Nicholls and Draisaitl collaborated with their team's best player at roughly the same rate. (There isn't a meaningful difference between 43% and 45%). Draisaitl and McDavid played together extensively on the powerplay (Draisaitl only had 8 powerplay points that McDavid didn't score or assist on). On the other hand - Draisaitl got essentially zero time on the penalty kill, while Nicholls and Gretzky were the Kings' #1 penalty killing duo (Nicholls scored 14 SH points, 11 from Gretzky - his next best season was just 7 SHP).
Taking the scoring environment into account, Draisaitl was a bit more productive, both at ES and on the powerplay. The question comes down to - how much do we want to discount Nicholls' point production while shorthanded? (On the one hand, Nicholls wouldn't have reached the 150 point milestone if he wasn't deployed on the PK. The fact that Nicholls doubled his career high in SHP, and Gretzky scored/assisted on almost all of them, tells me that Nicholls was in a fortunate situation. On the other hand, 14 SHP is a huge number. It's only been done ten times in all of NHL history, and six of them by Gretzky and Lemieux - plenty of other forwards got extensive PK time with Gretzky and nobody matched Nicholls' production).