Resolution, no resolution doesn't matter to me at all in the grand scheme. Only time it matters is when the way the game looks gives me a literal headache, and the only games I've played that have done that off the top of my head are Superman 64, Sonic Genesis for the GBA, and Yoshi's New Island on the 3DS. Other than that, I record LPs on older consoles so I'm used to 240p all the way up to 1080p, although I usually just record and render at 720p. For frame rate, I don't give two shits if it's 30 fps or 60 fps, it just needs to be consistent sudden dips and drops to low frame rate is noticeable to anyone, while there are some who have difficulties telling 30 fps from 60 fps. I know 60 fps is better, but just because a game is at 30 doesn't mean it's unplayable and doesn't matter to me at all. However, a game whose frame rate jumps and jitters can actually be unplayable, see Sonic Genesis for the GBA and Superman 64 for this as well.
Hell if your recording and rendering gameplay at 60 fps and uploading it to YouTube then you're wasting space since YouTube only supports 30 fps at max.