What makes you think it is runaway valuation? And could that same reasoning be applied to Google, Amazon, Apple if we go back in time when they were just findin

What makes you think it is runaway valuation? And could that same reasoning be applied to Google, Amazon, Apple if we go back in time when they were just finding their footing? As someone who drives a model 3 on autopilot everyday I would say the stock is rather underpriced.