That’s a political hot potato in California right now. CALFIRE has been advocating for prescribed burns for decades but it doesn’t have jurisdiction over all the lands owned by the federal government and the 35 California Air Districts mired in local politics are responsible for issuing the permits for those burns. Lots of NIMBYs who pressure the district boards to withhold those permits for air quality reasons.
There’s hope that this series of events will cause them to reevaluate but prescribed burns wouldn’t have helped in the Palisades anyway.
See (for example): https://www.youtube.com/watch?v=fKsLRNbczJY
Cool burning's been going on for several thousand years (geolocked?): https://www.youtube.com/watch?v=RM72NtXxyLs