It is well known that in war, the first casualty is truth - that during any war truth is forsaken for propaganda.
Government is force, pure and simple. There's no way to sugar-coat that. And because government is force, it will attract the worst elements of society - people who want to use government to avoid having to earn their living and to avoid having to persuade others to accept their ideas voluntarily.
You owe it to yourself to be the best person possible. Because if you are, others will want to be with you, want to provide you with the things you want in exchange for what you're giving to them.
Like many people, most Libertarians feel empathy and sympathy for less fortunate people. But they know you can't have perfection in a world of limited resources.
Since no one but you can know what's best for you, government control can't make your life better.