Sometimes I even see users giving replies like: "change this line of code with this one", not caring about giving an explanation of what they say. "Just do this, so I get my reputation".

And you could see low quality answers being edited and becoming better and better again in the time, but they figure first in the list of all answers, even if who gave it was slower than an user who gave a high quality and complete answer without editing it.

Sometimes I even see users giving replies like: "change this line of code with this one", not caring about giving an explanation of what they say. "Just do this, so I get my reputation".

And you could see low quality answers being edited and becoming better and better again in the time, but they figure first in the list of all answers, even if who gave it was slower than a user who gave a high quality and complete answer without editing it.