[count-your-change]

“As a matter of research for its own sake, cold fusion passes the test,...”

I've changed no goal posts, and the phrase is still “chickens come home to roost”, not ducks.

[Wonder Warthog]

"I've changed no goal posts....

Sure you did. You said that CF has to "produce something of use". Science has no such requirement. Engineering, OTOH, does.

.....and the phrase is still “chickens come home to roost”, not ducks.

Your statement was "...ducks don't roost, chickens do". I don't see anything there about "the phrase is". But nice try at changing the focus.