I think He means that to an upper middle class person, someone who is worth $100 million (say with 5-10% of that liquid) would be superrich. This might be some

I think He means that to an upper middle class person, someone who is worth $100 million (say with 5-10% of that liquid) would be superrich. This might be someone who was a startup founder whose company was acquired for a large cash + stock deal. If he hangs out with Bill Gates, his money wouldn't be as impressive.