I mean if that had been a playtested rule I'd feel more comfortable just slapping those penalties on it, but oh well. Looking at it again, it does look like there are two stipulations in the RAW that say you can't use the majority of the Stealth domain in metallic armor, and you can't take advantage...

I understand the intention to have a primarily narrative-focused game without getting bogged down in combat-simulationist rules, but having plate armor confer absolutely no drawbacks for wearing it just seems like a total no-brainer to me. The fact that there's nothing stopping a thief from sneaking...