Segway sold about 6,000 units per year at a $5k price point, adding up to an ARR about 300 times lower than OpenAI. It's already a lot more real than the Segway ever was.
Seismic events for venture investment tend to be seismic events for the economy, and thus for society, whether or not the investments pay off as expected.
I would have guessed higher.
AI is a seismic event for technology, venture investment, and eventually society.