One man has a huge influence on everything, one word of Elon Musk can destroy or rise the things like Phoenix. Tesla invested in Bitcoins and price went from 38K up to 44K in just some hours.
First of all, Tesla have invested in Bitcoin long ago ever since they use Bitcoin as their reserve fund.
Second, Elon have been using his twitter account to create hype long ago but didn't catch the attention of people and everything change when he was ranked as the world richest person. The reason why a lot of naive people follow his investment hype is because they believe is an experienced person and it will be easy for them to make money through his experience
What if Elon Musk said that he changed his mind and today bitcoin is bad and Ripple is better?
I don't think it's a healthy behaviour from people.
People like Elon can be funny sometime but I don't see his negative statement making a huge impact on the bitcoin market since the potential of bitcoin of clearly know by people and the last time I check the only newbies, opportunists and naive crypto investors follow his hype messages while the community ignores him.