I.e., it's perfectly possible for two people to come out of a teaching experience with diametrically opposed experiences while both are simply being truthful and descriptive.
Ok, sorry to disturb.
So if you don't need Endo Sensei over there, it would be great, if we could have him instead of that twice over here?!
It's a big difference whether one likes this prof or one likes that prof.
Or someone says: He's not worth do be called a prof. He has nothing to teach.
Sorry to disturb! Do what you are used to.