You clearly take great care when using your phone while plugged in, and that’s great for you!
In reality, myself and many others that I know (and millions of others all over the world) end up having cables that fray after several months of use. Many keep using these cables to avoid paying for a new one. This can and does create a fire hazard.
You can say that people need to change their habits, or the industry can adapt to reality and make cables that don’t fray under normal use.
Just because it’s isn’t a problem for you, doesn’t mean that their cables
aren’t notorious for fraying for a newsworthy amount of consumer