Why does Maven have such a bad rep?

There is a lot of talk on the internet about how Maven is bad. I have been using some features of Maven for a few years now and the most important benefit in my view is the dependency management.

Why use Gradle instead of Ant or Maven?

What does another build tool targeted at Java really get me?

Problem building executable jar with maven

I am trying to generate an executable jar for a small home project called "logmanager" using maven, just like this: