Maybe some people behave as you indicate but this is neither the common or original intent. TSLA is only one frothy example but they still (a) make things, (b) have a historical record, (c) report on past, present and forecasted performance, (d) have widely accepted "value", (e) can be readily exchanged for something else of value, (f) have governance that is ultimately responsible for performance, even if they're not the major cause of said performance.
Everybody investing in the stock market is not a Reddit day trader.
Some exchanges or other cryptocurrency businesses fizzle out.
Bitcoin price gets hit on world stability news.
> The main mistake of your argument is trying to compare something with tangible value with schemes driven by speculation and fear of missing out.
People have no idea what TSLA is planning on doing besides "cool car", and ape into the stock because of FOMO. Address this?