It was actually in the post

What I mean to say by using that idiom is that I cannot expect, given my current knowledge, to get the promised utility payoff that would justify to make the SIAI a prime priority. That is, I'm donating to the SIAI but also spend considerable amounts of resources maximizing utility at present.

So you might suggest to your perceptual system to read the post first (at least before issuing a strong reply).