What, so the roads, rail and tram links to the airport where ALL privately financed, at no cost to the taxpayer,
Well since you mention it, AndyH52, MAN contributed approximately GBP50M to the construction of the Airport Metrolink, which more than covers the airport-related element of business on the line as a proportion of the whole route. I understand that MAN was involved in the financing of the Airport Rail Station as well, though I can't find a breakdown for this. And MAN also subsidises several bus routes which link into the airport. In addition to delivering handsome annual dividends to the ten councils comprising Greater Manchester. And they sponsor several cultural initiatives across the region too.
So if you're wondering whether MAN is bleeding the taxpayer dry, the answer has to be a resounding
NO. If you're looking to criticise MAN by this measure, you will have to cite every other UK airport first.