One should remember that the comparison shouldn't necessarily be between burning trash and digging it down, so long as anything else would be burned instead of

One should remember that the comparison shouldn't necessarily be between burning trash and digging it down, so long as anything else would be burned instead of the trash, for energy. And that's (unfortunately) still the case at least some parts of the year for Sweden, i.e. that the renewable and nuclear doesn't completely cover the electricity/heating needs. So the comparison in that situation is between on the one hand to burn trash, and on the other hand putting thash in a landfill and then burning fossil fuels.