It's a pretty important fact. If the creator is trying to justify the adoption of Soylent as a meal replacement by using this fact (obviously not by itself) the

It's a pretty important fact. If the creator is trying to justify the adoption of Soylent as a meal replacement by using this fact (obviously not by itself) then they need to be careful to use facts clearly. The phrasing in the pitch blames 2 million deaths upon indoor cooking, which is inaccurate.