There's a difference between being strict and being mean. If the teacher is expecting the class to not talk during class, homework to be done on time (no to few exceptions), write neatly, look up at the board when she is teaching ,etc., then no, don't say anything because she is just strict. I think this applies even if the teacher enforces his/her rules through some type of punishment.
If the teacher is literally yelling during class, or saying mean comments to students (e.g., "I can't teach you", "I don't have time to help you", "You will never understand this"), then tell the principal.