I had a whole section I cut about this. Yes it dissipates far faster than CO2, which is the much bigger problem, so the parallel is not perfect by any means. There is a great Bulletin of the Atomic Scientists article about this: https://thebulletin.org/2023/12/mass-delusion-and-wishful-thinking-why-everything-you-think-you-know-about-methane-is-probably-wrong/

The damage that methane will do to our atmosphere in the meantime (as well as the Carbon that will leak from such projects) is the real issue, but I felt explaining that in depth would take another couple of pages and so I went with as is