You could be cancelling some genuine 5 star passengers, not just newbies.
And not all newbies to UberX are inexperienced and rate low.
These forums breed contempt for customers. #JustSaying
Some say to delete the app and get a life. I recommend to delete the forum and get on with your life.
Must be why my rating is 4.9
Everytime I take 5.0 customers my rating drops
Noone stays 5.0 for long
4.8 to 4.9 customers are perfect
4.5 can be ok as well as they pretty much always have taken 2 rides