> First of all the comment he was replying to was talking about services like housing, transportation, and healthcare, which already are provided by the market and aren't really things the government has any advantage in. As for all the stuff it does pay for, at best it costs exactly the same amount as you have to pay in taxes. But the government spends money on a lot of other things with your taxes that don't really benefit you. So you would save a decent amount of money. And with no competition, the services they do provide cost a lot more then they probably could.
Healthcare is one area where a collective (i.e. by the government) approach has a definite advantage. Privatized health care and health insurance is a lot more expensive. The US has the highest medical costs in the western world, yet many people are lacking very basic medical care.
The second most expensive country (at roughly half the cost per capita) is Netherland, where health care is semi-private, semi-government, and health insurance is private but regulated and compulsory in order to provide a uniform standard for everybody. And surrounding countries (where it's cheaper) have better health care at least in some areas.
I don't have numbers, but I expect that the cheapest and highest quality medical care in the western world will be in some country where health care is strongly dominated by the government.
> Everyone pays their taxes to avoid having their property stolen or going to jail. The fact that force isn't applied unreasonably doesn't mean it isn't there.
Just like everybody doesn't steal from their neighbour or kill people who anger them in order to avoid going to jail. That doesn't mean there's anything wrong with taxes; it means we live in a civilized society with some basic standards of behaviour.
> There are people that don't consent. At best you could say the majority consent. You can justify it by saying it's better than any other system we know of, but not that people consent to it.
The same goes for any law. I'm sure there are people that disagree that theft or murder should be illegal. Or slavery, for that matter. And those are the extreme cases. For every law, there are some who don't agree with it. Should every law only apply to those who agree with it? Laws would lose their meaning.