I don't know whether or not this is sarcasm, and frankly - it doesn't matter. Science provides the facts - it does not provide values. You need to combine facts with values in order to come up with an ethical verdict.

If the resulting verdict is not what you wanted, you can always rethink your values. This is essentially what philosophers have done for millennia. It does mean you'll need to defend your new values, of course, but you don't have to stick with old values when it turns out they have bad implications.

What you don't get to do, is decide to ignore or twist the facts. The facts don't change just because they're inconvenient. If you lie in order to get the ethical verdict you desire, then you are tautologically in the wrong.