Out of curiosity though, why don't you think it's useful (as in, it's inaccurate and therefore not useful, or, you don't get much water fluctuations so it's not useful, or, you just don't care -- it's not useful)? haha 
Honesty is the best policy with most things, I guess, including scales.
I don't know all the features it has though, I haven't paid too much attention.