Is Nio worth buying?

I'm curious, is Nio a smart investment? With the rise of electric vehicles and the company's impressive growth trajectory, is it a good idea to put my money into Nio shares? Or are there potential risks I should be aware of before making a decision? As a seasoned investor, I'm always looking for opportunities to diversify my portfolio, but I want to make sure I'm making an informed choice. So, what's your take on Nio's prospects and whether or not it's worth buying?