ELon love doge cause its completly a meme which he can playing around to make the price spike and down.
How do you know if Elon loves Doge?
I think he doesn't love Doge. Although he tweeted Dogecoin, doesn't mean he loves or invests in Dogecoin. What he did is just to know people's responses to his tweets. He probably only wants to know how big the impact of the tweets is. Since it looks like to gain big attention from people around the world, then he tried to do almost the sam scheme on another crypto, Bitcoin. You can see that he ever tried to make hype on Bitcoin after successfully make hype on Dogecoin.
Seriously what elon contribution to crypto market? he only bark and make all of the followers bark to buy doge coin
Not sure what Elon Musk's contribution is. But his tweets made more people take a look at crypto investment. Elon's tweets made people be interested to know more about crypto market or crypto investment. Maybe he has no intention to contribute to crypto world, but what he did had a direct impact on the crypto market.