Yes, it’s points per shot. League average is about 1.2. Check it out.
2018-19 NBA Player Shooting Stats | Points Per Shot
Discover 2018-19 NBA Player Shooting stats and rankings by Points Per Shot on FOX Sports.
When you compare players by position, you really see how inefficient some players are. Among forwards, he is #204 in EFG% and #207 in TS% out of 240 forwards.
Stats like offensive rating can be very deceptive because they are a measure of a player’s teammates. Wiggins is #32 in offensive rating, while Paul George is #34, and there is no possible metric you can find in which Wiggins is better than George.