I don't agree with the list of "most prominent themes in terms of short-term behavioral advice" mention in the original post, but I also don't think that it is completely unfounded:

• 55 upvotes on a comment of someone donating the the current balance of his bank account.
• 15 upvotes on a request for more discussions of general cognitive enhancing tools such as Adderall and N-Back.
• 42 upvotes on a post that claims that you are a lousy parent if you don't sign up your kids for cryonics.
• Eliezer telling people to put hope into cryonics and advanced nanotechnology rather than "Noble Lies".