Visiting my wife's family has caused me to think about things a bit differently. Some background. I grew up in a partially-active family (dad's only been to church a few times in last 15-20 yrs... mainly missionary farewells) in a very Mormon community. My wife grew up in a SUPER-active family in VERY non Mormon community. I've noticed some differences here compared to where I grew up. When my wife talks about friends who joined the church, then stopped coming, they "left the church." For me, that term was reserved for excumunicates and those who had their names removed.
Now, something that's bothered me a bit, is her family's tendency to judge others based on testimony. It's a regular subject of conversation when talking about others. "Does he have a testimony?" etc. I'm not necessarily condemning them here for unrighteous "judging," but rather questioning their measuring stick.