It's the same world over - Zomato and Paytm types everywhere.
Many public stocks are not 'investments'. They are schemes for insiders and bankers to cash out at your expense.
The sooner you realize this is the game markets play, the better.
However, it may be too early to pronounce the judgement as USA is presently heading towards recession and these companies like Tesla, Netflix etc will definitely bounce back as they are unique in their segments.