Can you re-enter Thailand after receiving a warning from immigration?

The discussion revolves around experiences of expats who have received warnings from Thai immigration and their ability to re-enter Thailand. Users express concerns about being flagged upon entry and the potential need for a visa after a warning. It's suggested that a verbal warning may not be severe, and love thorough questioning or denial is likely for back-to-back entries. Some users advise on managing entry methods and the option of using a fast track service.