There are many reasons bird owners will and will not clip their birds wings. Choosing to clip them does not mean you are an incompetent owner as there are many concerns birds owners share about their birds’ safety. I have chosen to temporarily clip my birds for training purposes (Peeko would fly into windows occasionally), but I fully intend to have them flighted once again when their next molt comes around. I am 100% pro-flight, and thepacificparrotlet describes why having your birds flighted is a better choice: here. It is a lengthy text post, but reading it is well worth 10 minutes of your time.