Because car companies are boring, and in an era of cheap money the meme wins. “Sexy” automakers also got insane multiples, look at where Lucid and Rivian were trading. But the capital is diverted to whatever asset people think will keep going up, not the one that will create value in the form of profits. This is also why GameStop, AMC, DogeCoin, Shiba Inu, NFTs, Pokémon cards, etc. were trading so high, the meme is the only thing that matters.
Elon Musk knows this and is a master at harnessing this power, which is why he’s shamelessly pumped DogeCoin and Shiba. He continually pushes his company to be the most popular brands by promising impossible futuristic products that cannot exist, but build excitement. Countless examples of these, but a few are Full Self Driving, a flying Roadster, the Tesla semi, solving transportation issues with tunnels, the Tesla bot, $25k model 3, solar roof that costs less than a normal roof, robotaxi, etc etc etc. It’s all calculated.
Why is what other people do with their money a problem for you?
I think NFTs are stupid, but I don't think they're "a problem".
People spend lots of money on stuff I find stupid. I would never buy a Gucci handbag, they have about as much value as an NFT. But if someone else wants to, it doesn't hurt me, so, so what?
Because it added fragility to the economy, just like people over paying for mortgage backed securities in 2008. If it was a few foolish individuals that would be different, but reckless speculation has been actively encouraged by the Fed across the whole economy, NFTs are just one example.
Because Tesla is in major indexes like the NASDAQ composite, and S&P 500, as well as many major/popular funds/ETFs. Additionally, many funds are weighted by market cap (so more expensive companies get even more disproportionate investment). And the majority of stock investment activity happens through these investment vehicles today.
Generally, anyone who puts money into a 401k, will likely have some of it going to Tesla and disproportionately over other auto companies - simply because how funds are typically weighted.
You can buy shares in other car manufacturers. Why would Tesla disproportionately benefit from inflated asset prices?