No stranger to controversy, Ryanair CEO Michael O'Leary angered people during a recent Twitter chat. You may recall that O'Leary called a customer "stupid" and other insults when she complained about being charged €300 for not printing boarding passes ahead of time. Ryanair is a discount airline and charges fees for extra services.

Now, a PR Daily article says O'Leary invited criticism as part of a "PR stunt." Although some tweets were deleted, Skift captured a few choice examples:

Discussion Starters:

• What do you think of Michael O'Leary's approach on Twitter?
• Take a look at the Google Image search of Michael O'Leary. What's your reaction? Does he overdo the stunts, is he being who he wants to be, or something else?
• Do you find his tweets and other communications offensive or not?