Stop in for a cup of coffee

Is that lifter tick on the Gen III Hemi a sign of the cam and lifter assembly nearing the end of it's lifespan? Brat in Law's RAM 1500 has got it now.
There are several videos on Youtube about issues with the Hemis. I read or heard small talk about a class action lawsuit too. I have a 2010 Hemi and although I don't hear a tick. Code reader shows issue with #7 cyl. , misfire. Check engine light always on.