Yes, various types of burning with energy recovery are better than landfill on various metrics. https://en.wikipedia.org/wiki/Waste_hierarchy https://en.wikipe

Yes, various types of burning with energy recovery are better than landfill on various metrics. https://en.wikipedia.org/wiki/Waste_hierarchy https://en.wikipedia.org/wiki/Waste_hierarchy You can extract metals from the ashes as you mention. For regularly used things like drink containers it's not quite as good as recycling them though. And as more renewables enter the grid, theres less fossil fuel to displace but if the RDF (resource derived fuel) can be stored then it acts as a kind of storage.