you might be right, but there are other reason to announce instead of doing: getting leverage, getting attention, being someone that talks a lot and does much l

you might be right, but there are other reason to announce instead of doing: getting leverage, getting attention, being someone that talks a lot and does much less, not having a brain/mouth filter... probably a mix of trying to get leverage for something probably unrelated and getting some attention (possibly diverting it from something else)