Very few people have the luxury of being freely obnoxious. Most people have to watch what they say for fear of offending their bosses and colleagues. Others resist saying anything that might make them unpopular.until the achievements part.
But, in every society, there are a few rare souls who rise above subservience, insecurity and concern. Each morning they take their own abrasive urges out for parade. They are so impressed by their achievements, so often reminded of their own obvious rightness, that every stray thought and synaptic ripple comes bursting out of their mouth fortified by impregnable certitude. When they have achieved this status they have entered the realm of Upper Blowhardia.
Won't even start on that last excerpted sentence.