Then again almost everything has a 1% of killing anything, the world's pretty dangerous. So - with a vets opnion - bathing a kitten to remove discomfornt isnt all bad news.
Great example is im sure many kittens have died eating before, but of course we still feed them
Statistical approximations are a large part of complex systems, such as the summation of billions of forces of atoms.
Id argue given the insane ammount of moving parts, a simplication as easy to understand as Newtonian mechanics is extremely accurate, at least compared to the limited input data