It’s been a known problem for a while now.
https://www.usatoday.com/story/news/nation/2013/08/21/nevada...
South Park made an episode about it with the song “California loves the homeless”.
https://southpark.fandom.com/wiki/California_Loves_the_Homel...
California largely has weather that you can survive outdoor in year round and social programs that provide for and policies that show empathy for homelessness.