The thing is, Dudley, when Bell wrote the post, there were no suspects in the Homewood shooting. She could not have known anything about them. She wrote the post with no way of knowing their backgrounds.
Cheron Shelton was acquitted on Feb 14, 2020 and the case against Robert Thomas was dismissed Feb 4, before the case against Shelton even began.

Wendy made a broad assumption based on race.

She couldn’t possibly know whether the boy in the restaurant has amazing, loving parents who tell him that he is loved every single day, or whether he struggles alone, and she wouldn’t have wondered that about a teenage white boy.