They may grudgingly concede the need of special measures of protection and alleviation undertaken by the state at times of great social stress, but they are the confirmed enemies of social legislation (even prohibition of child labor), as standing measures of political policy.
There is a disconnect happening here which is getting in the way of meaningful long lasting change. liberals accept government action only in extreme crisis which suggests that they acknowledge its necessity but refuse to institutionalize it even though its needed for lasting improvements.