I work on freelancing platforms, I know how harmful is it for me to get a 4.9/5 star rating. I would prefer not to harm the driver, unless he was a dick or was

I work on freelancing platforms, I know how harmful is it for me to get a 4.9/5 star rating. I would prefer not to harm the driver, unless he was a dick or was driving a garbage can, I would then rate it 1-star with a clear conscience.