This thread is interesting just to see how people think. This is my thinking:
I tried riding with a meter. A phone app too. One day I noticed the wire for the meter was dragging. No idea how long, so I removed it. Well, phone apps don't drag wires but I realized how much I'd been riding without consulting it. So I deleted that and ride as much as I want anyway.
I maintain my bikes in pretty good order so I don't carry many tools. We don't have those eeevile goat-sherd things here in minnesota either. ( think I recall one flat as a kid) If I flat out there somewhere, I'm pretty sure I'll live.