I think Vie has put it very succinctly. It's difficult to give detailed advice, however, without knowing more aout the operation. For example:
Who is presenting the opposing point of view?
What makes the opposing point of view 'influential'? (£/$?)
What type of operation / coverage / aircraft type / autopilot fit / crew experience requirements are we talking about?
I accept that you might not be willing to give such info on this forum, but a trawl for PMs might give you some useful formal contacts.
For what it's worth, I'll pass on one of my favourite quotes which comes from Stelios Haji-Ioannou, the founder and (currently) non-executive director of EasyJet. He once said "If you think safety is expensive, try an accident." Priceless.
Good luck!
Louis