The comment section is here for a reason, if the manga is trash then the readers can give their opinions, whatever it is. We’re all sticking around hoping it will get better, although it probably won’t get better but trashing it is also a fun activity.
Edit: Also, it’s very important to call out toxic behaviours in manga because as a then-young reader, I really appreciated older readers commenting ‘this behaviour isn’t right’ or ‘this ML is trash’ so I knew then not to romanticise any of this. Old shoujo manga have a way of romanticising bad ML and thank God for the comments. We’re just taking care of our own community is all