Read a bit more. It’s healthy for you.
However, no tool or ratio (yes, that includes KE) is perfect.
I don’t need your or anyone else’s approval to tell me what KE is not.
You and the rest of the people already know what it is and what it can do.
I personally don’t need a ratio or tool to identify who’s content is valuable and who’s is not. Just a glance at someone’s profile is enough for me. I have designed KE for others and they are using is successfully. I don’t care what you feel about it. I am not in charge of your emotional well being.