"Obamacare" is not socialist, it's liberal, as a core concept of liberalism is that the state should fund things that people cannot or will not fund for themselves, like roads and healthcare.
"More doubtfully compatible with the liberal conception of equality is another measure which also gained wide support in liberal circles, namely the use of progressive taxation as a means to effect a redistribution of income in favour of the poorer classes. Since no criterion can be found by which such progression can be made to correspond to a rule which may be said to be the same for all, or which would limit the degree of extra burden on the more wealthy, it would seem that a generally progressive taxation is in conflict with the principle of equality before the law and it was in general so regarded by liberals in the nineteenth century."
- Liberalism, F. A. Hayek