The controlled demolition of the comic strip Dilbert's client list has been the subject of much recent commentary. For a solid overview of what happened, read this piece by Michael Cavna and Samantha Chery. For some observations on the racial/racist aspect of all this, read Lucian K. Truscott IV.
In the meantime, Dilbert creator Scott Adams is sounding increasingly like a guy who has a lot of needless issues. People who aren't like you are only a problem if you insist on getting upset that they aren't like you.