> . I mean some gases get out and I guess some stuff gets eaten by birds, but mostly it's good organic matter locked away forever.

...essentially sequestered carbon.

I generally support recycling and climate action, but I actually wonder if the net benefit of throwing organic matter in landfills could be carbon negative if the gases are controlled. For organic matter, putting it in a landfill could potentially be a net positive versus recycling it or composting it (which also releases gases).