I also do not understand the hyper-critical reviews of the movie. Can LeBron act? Not really but be did a decent job that did not drag the movie. He's an athlete and did just as well as Michael Jordan did in the original.
It was a fun movie with a message that we all need right now. We take things that are meant to be fun...like a movie for KIDS, and sports, way too serious. Let's remember the intention and the message of the movie.