Gwern didn’t use the word “useless.” If it’s useless, the magnitude of expense is irrelevant. The important thing is to compare costs to benefits. Listing benefits without quantifying them doesn’t contribute to this. Incidentally, the particular benefit you mentioned was in the original post.
Gwern didn’t use the word “useless.” If it’s useless, the magnitude of expense is irrelevant. The important thing is to compare costs to benefits. Listing benefits without quantifying them doesn’t contribute to this. Incidentally, the particular benefit you mentioned was in the original post.
Not necessarily: there are such things as terminal values. The utility function is not up for grabs.