I think more people who want to talk about JRPGs - especially in a way that presents yourself as authoritative like a youtube video - should play the old Wizardry games. They were the primary inspiration for the first generation of JRPG developers, and it's very enlightening to see the mechanics and tropes JRPGs commonly used in their original form. Things that might seem strange in old JRPGs become instantly understandable when you see where they cribbed from without having copied other interlocking mechanics. People will say things about Japanese developers taking inspiration from old Western RPGs and then JRPGs and WRPGs diverging from each other later, but there's a glaring blind spot in how clearly none of these people actually know anything about the games they diverged from.