Streaky shooting isn't reflected in averages. As others have said, he was very up and down in offensive performance. He's not elite. He's all hat and no cattle and he and DDR annoy the hell out of me with their respective games and are not compatible with the Perry vision, and I want them GONE! asap.
I’m not sure what your expectations are here. Outside shooting is high variance. And this applies to elite shooters as well. Steph Curry, Klay Thompson, Kevin Durant, etc pull up their game logs they will have horrible shooting games and great shooting games. LaVine is absolutely elite with his efficiency and the scoring he puts up. Even if he dropped closer to 40% he’d still be elite, 45% is a notch above that. 51% from a guard who shoots a high volume of 3s is wild.