Thats a load of crap reason to not do it...exact values wont give much not always opposed to just litterly  guessing or eyeballing it??! U set a set db value when u move the slider, it is then saved as part of the EQ make no difference how that value is treated on the is still set to that base number, to witch when a user needs to re-set their settings from scratch, really could use. Especially if their device is on the soon to be Released Android Q, as