Or, perhaps, someday in the 31st century, they'll be amazed at our startling lack of progress in the 21st century before the cascade of incredible breakthroughs

Or, perhaps, someday in the 31st century, they'll be amazed at our startling lack of progress in the 21st century before the cascade of incredible breakthroughs in the years following. Who knows, really, what the "low hanging fruit" on the grand scale of things are.