Breaks only go so far when wind-whipped flames carry embers over miles. You have to maintain the entire forest.
Oregon, where I'm from, has been going all in on fuels reduction the past couple years. Lots and lots of control burns and road right-of-way clearing. Seems to already be having an effect based on this year's calmer fire season, but it's going to take decades to catch up to the past 100+ years of complete fire suppression causing fuels buildup.
Native Americans were managing old-growth forests with regular fire application for centuries before we ever got here, using it to control underbrush and keep good foraging/grazing ground open for the deer and creatures they relied on. I'd say they probably knew what they were doing.