i'm sure you (or your employer for that matter) have better things to do than twisting your internal policies to client's dis/liking. just tell them to fuck off -- in diplomatic speak -- that's what your/a boss is (paid) for.
> why our software needed so many hotfixes
"well. software does not fall from the skies. humans are involved. we can stop fixing shit before you find out and complain, take your money and leave you with crackers. decide!"