It's a tradeoff of convenience vs. security. If someone steals my iPhone they would first have to get into it. Assuming they can do that, I'd have much bigger p

It's a tradeoff of convenience vs. security. If someone steals my iPhone they would first have to get into it. Assuming they can do that, I'd have much bigger problems than my notes being tampered with. Additionally, iOS devices can be locked remotely.