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>Don't stink; genuinely smell pleasant.
>You don't have to feed them; just water them; they produce their own food (photosynthesis).
>Excreta is a oxygen, which is essential for existence. Other waste products, such as resin and water vapour, are also beneficial. None of these are disgusting.
>Can provide you with food in an emergency.
>They absorb more CO2 than they emit, hence their net carbon footprint is negative.
>Do not transmit diseases or parasites to humans.
How can any other types compete?
