Then your previous point is false, because "X helps Y" doesn't run counter to any promise that "X helps Z". You said the second. You responded to the first. Y

Then your previous point is false, because "X helps Y" doesn't run counter to any promise that "X helps Z". You said the second. You responded to the first. Y = [experts] Z = [noobs] {Y, Z} ⊆ [all humans]