We don't really live in that world anymore – what is value investing when the Federal Reserve sets the price? More and more, "intagibles" like brand value are becoming more important on balance sheets than investors want to admit.
For me Tesla stock value is where it got confirmed stock valuation diverged from any data points. I understand there is a potential huge upside there, but no real data points would justify anything close to the current valuation.
Especially in comparison to 9 months ago, the fundamentals did not really change (conpetitive landscape etc.) There was the CyberTruck announcement, though