Because you exaggerate.
Here is Luke, who the O's thought enough of to hire.
I take that as higher praise than "might be playable".
To me the spectrum goes average, below average, playable, unplayable. Your choice of language makes it seem that actual experts think that, at best, he will be not even qualify as below average in left field.
Edit- Oh wait, I forgot, in your world average defense is barely playable.