That's how I view the term. It seems personal, like many other parts of a person's identity. I myself am an ex-mormon and don't like the term lapsed mormon for myself because I had issues with the faith and tried to work through them before willfully breaking the rules. There's nothing wrong with people doing it in a way that is better characterized by lapsed but it would be a bit misleading to portray how I left this way. That said, there are people who are less lapsed and left more deliberately than me.