The violent crime rate hasn't changed much. The total number of incidents[1] and population[2] have both decreased around 10% since 2019.
Do you have evidence to the contrary? You can't just claim everything is fine and discard all evidence you disagree with.
[1] https://sfgov.org/scorecards/public-safety/violent-crime-rat...
[2] https://www.census.gov/quickfacts/sanfranciscocountycaliforn...