Some of those "weighty" arguments were advanced when FITbit reached $50 a share several years ago. Today it's $3!
Gotta admit I know little about Beyond Meat (the stock or the product), but nothing about it strikes me as very new. Similar food products have crashed quickly and dramatically over the decades.
I wouldn't buy BYND for the reason Buffett/Mungar never buy IPOs: Early hype tends to ignore reality. IPOs and early stage businesses are generally bad investments.