Please look at historical fires in California with major loss. For example the Paradise or Erskine fires. Major loss of property and a few D 4's and a few chainsaws are no help.
Retired from International Union Operating Engineers Local 12.
D 10'S, 11's would be no help.
LA City and or County using Dozers merely to push abandoned vehicles out of the damn way.
Get a grip with the reality of the magnitude of a heavily populated area and the circumstances thereof.