What are the real reasons a genuinely brilliant founder gets passed over at IC?

Options

• Doesn't fit the room
• Bad at small talk
• Too quiet in the pitch
• No legible pedigree
• Weird personal rituals
• Refuses the standard pitch format
• Doesn't perform confidence well
• Comes across defensive about the work
• History looks too messy
• Doesn't network
• Team says he's difficult
• Nobody wanted to be the one to champion him