If you want the real answer to your question: It sounds right to you because it generally agrees with your worldview.

The truth is:

- plenty of people with vices are bad people

- plenty of people with vices are good people

- plenty of people without vices are bad people

- plenty of people without vices are good people

It sounds right because it feels good. That does not mean it is right.

Don't waste your time listening to memes tell you how to read the tea leaves so you know who the bad guys are. Just listen to the people in front of you every day and make your own decision.