arrogant idiot
An idiot who is very confident in their own idea, even though most know it is a stupid idea. One who is confident beyond doubt with their incorrect thought. Somebody who is very stupid but thinks they are smart and confident about it.
Allen, an "arrogant idiot", confidently proposed to merge data from a relational data system with an olap system in a BOBJ universe. {a technology mismatch and an impossible merge, but the arrogance wins over the facts}
Bruce, an "arrogant idiot", builds a super BEx query believing that it will be processed on a fast data system when it actually processes on a slow application system. {the arrogance prevails over expert knowledge and text book information}
Bruce, an "arrogant idiot", builds a super BEx query believing that it will be processed on a fast data system when it actually processes on a slow application system. {the arrogance prevails over expert knowledge and text book information}