Don't forget other species have been experiencing experiences before we even existed, and still do. I'd be surprised if humans make up any significant fraction of the total experiences experienced, for example we kill more non-human animals on factory farms each year than the total number of humans who've ever lived.

I was just thinking about writing a post like this after listening to https://www.astralcodexten.com/p/introducing-ai-2027 and especially the end where they're talking about getting into blogging, and thinking about the massive blind spot Rationalists seem to have for sentientism. I'm particularly interested in ways to get involved and help push this cause forward. Especially as someone who frankly, feels pretty helpless with the mass scale of non-human suffering and mass amount of human apathy towards it, as well as the many flaws in the current animal rights movement.