When done right they should last just as long or longer. I clean them frequently, run clean filters and sharp chains, change the spark plugs, the most common failure I see is greenhorns pinching the bar and breaking the av systems when they yank on them. Which since I have a small crew and we do...
No chunks so my half hitch theory remains untested.
Target is about 40’ below the standing fir below log. Terrain is much steeper than it looks in pics.
Also installed a pull rope to help keep it from breaking off into its lean and pull it at a quartering angle off the lay. Then cut, wedge,pull, etc. and a butt tie with some slack