yeah I agree with you, but you should do what i do and link them to stuff to make them understand why theyre wrong, maybe a page to help or a youtube video :P
i do understand what youre getting at tho and yeah i do give flimsy comments like nice work or looks nice, but to the ones that seem to have potential i offer more guidance. no offence to anybody, im not saying the rest dont have potential, just that i dont see it