This.
I go to a school with great teachers, and they're incredibly outgoing and willing to help students if they advocate for themselves. Most students, however, do not. They refuse to do their work, sit on their phone, and then when they see the grade on the report card, they make excuses.
"X is such a bitch ugh" or "forget Mr. Y, his work is way too hard."
Some teachers are legitimately bad but they're relatively uncommon. The student will always bear the burden of their failure, and whether or not the student makes excuses or mans the forget up and decides to do better next time is a great litmus test to highlight the students weakest of constitution and lacking accountability and desire to improve.
Yeah, there is this kid in two of my classes who is always on his phone and talks backs to the teacher (one time he said "forget you" to the teacher), tries to be funny with memes and stuff,harasses other students including me. He literally comments on everything I do, doesn't even say my name right. Also he made name up for me called "Squealy Mc Suck A Thumb", which sounds really handicapped, but funny at the same time. Also he constantly mentions that he has no friends, which pretty obviously since he's pretty much a loving douche to almost everyone and he also makes up lazy excuses and stuff. Despite all of the stuff he has done, he hasn't been suspended or gotten detention to my knowledge.