If the government says, "Give us $X so that we may use it to purchase a health plan that includes contraceptive coverage," the effect is exactly the same as if they said, "Spend $X purchasing a health plan that includes contraceptive coverage." I don't see how one could be moral and the other not.
I can see it at the point where it changes from spending money to taking actions. Actually dispensing or taking contraceptives would be qualitatively different from paying for a health plan. But if it's just your money going to an insurance company, I don't see why it matters if it passes through the government first.
Thing is though, "ignorance is bliss", or so it's said. If you were aware that life insurance companies across the US were about to make a huge gamble that might put them out of business, would you stick with yours (supposing you had one) if they (a) told you they were going to make the gamble or (b) not told you? (I suppose we could have also referred to purchasing manufacturer warranties from unsteady businesses - same principle.)
Money going to the government via taxes doesn't necessarily end up paying for contraceptives. It's supposed to be for other things. We pay taxes knowing full well that people are siphoning off money for their own gain. We don't like it, sure, but we pay taxes because of what the money is intended for. "It's the thought that counts." :/
I'll fight to get the government to stop spending my money on these things, but on the basis that they shouldn't be doing it at all. I'd never argue that my own personal tax money should only go to things I agree with, because the whole point of taxes and government is to take collective decisions and collective action. I may not always agree with the results, but the basic concept is important and useful.
Why is it OK to send money to the US treasury when you know some small part of it will buy Hellfire missiles, but not OK to send money to Aetna when you know some small part of it will buy Plan B?
Did I catch your logic this time?
I pay my taxes, but I consider it the least moral thing I do, for my own morality.
I look at paying taxes the same way I view my drug addicted friend that just needs a fix so he can make it til tomorrow. I don't like it, I'm enabling his problem, but I don't want him to get into a worse situation or die.
"Render therefore unto Caesar the things which are Caesar's" and whatnot though eh.