Shiba Inu coin has a market cap of 6.4B DogeElonMars coin has a market cap of 186M Tesla still has a market cap of every other auto manufacturer in the world

Shiba Inu coin has a market cap of 6.4B DogeElonMars coin has a market cap of 186M Tesla still has a market cap of every other auto manufacturer in the world combined Gamestop still has a market cap 20x of what it had 3 years ago. Tech Companies that have never and will never make a cent of net revenue are valued in the billions. So, does it sound like we are in a bubble?