I disagree, outcome matters more than incentives IMO. Every policy and regulation will create winners and losers. The incentives for doing so matter in they drive which policies get written, but you can't use those incentives to determine if a policy is ultimately good or not.
Back to the british railway example. You are correct that it was there to more efficiently extract wealth (bad). But that does not mean that rails aren't hugely beneficial to the population in general. Roads in the US exist primarily to aid in rapid shipping, that doesn't mean roads are a bad thing because a company like Amazon gets the majority of the benefit.
It's a basically non-existent politician that does something purely out of the goodness of their own hearts. In a democracy, it's the role of the electorate to try and remove politicians from power who refuse to provide benefits to the citizens as a whole.
Back to the british railway example. You are correct that it was there to more efficiently extract wealth (bad). But that does not mean that rails aren't hugely beneficial to the population in general. Roads in the US exist primarily to aid in rapid shipping, that doesn't mean roads are a bad thing because a company like Amazon gets the majority of the benefit.
It's a basically non-existent politician that does something purely out of the goodness of their own hearts. In a democracy, it's the role of the electorate to try and remove politicians from power who refuse to provide benefits to the citizens as a whole.