Maybe but it could crash anyways. JP Morgan tried to stabilize the stock market in 1929 by buying up stocks, but it collapsed anyways and led to the Great Depression.

Remember the time BLM protesters disrupted Bernie’s primary rally in 2015?

https://www.seattletimes.com/seattle-news/politics/black-lives-matter-protesters-shut-down-bernie-sanders-rally/

Talk about shooting yourself in the foot