Any question answered...

cherry picking evidence to back up your view
I started with the question "how effective is osteopathy" - then reviewed the available (meta) evidence, and formed a view. That's not cherry picking - that's science.

OR you can also take into account that the osteopaths act (as someone mentioned before) was brought in for a reason, that shit didn't just happen by accident. You could also take into account the fact that the NICE guidelines mention osteopathy and that there are, in fact - NHS osteopaths out there. Not many, mind.
That's not evidence either, is it. That's flaky post-hoc reasoning.

I can't imagine that you're going to change your mind anytime soon, despite any evidence I might present.
For some curious reason, you claim to know how I would act, and yet you don't know me at all. My opinion is formed on the basis of the available evidence.

The quality of your argument does precious little to boost your credibility.