What is User-hostile?
1.
A play on the common term "user-friendly", a user-hostile design is one that is, deliberately or accidentally, difficult or cumbersome for the intended user.
Often used derisively to describe the competition.
We intend to improve upon the user-hostile design of your existing sales tool.
Some say that the user-hostile design of the original QWERTY keyboard was an intentional effort to slow typists down so as not to allow them to jam the mechanical parts.
See