Subsidiarity has becomes shorthand for smaller government, while solidarity is now shorthand for expansive government. But as Msgr. Charles Pope explains, there is more nuance to the terms than the reductionist slogans suggest:
Precise meanings have been lost – The problem that has emerged is that Catholics, and others, have taken these terms into the political arena and, as might be expected, these rather careful and nuanced Catholic terms have been reduced more to slogans, and are fast losing their truly Catholic meaning. Thus, subsidiarity becomes shorthand for smaller government, and solidarity is shorthand for expansive government. They are also losing their interconnectedness and taking on a more polar opposite quality.
Interrelatedness is lost – To be sure, these terms do exist in some tension with one another, but they also compliment and depend on each other. Yet, much is lost as they become slogans and shorthand terms. Also ignored in this rather bipolar world are other principles of Catholic Social Teachings such as distributism, complementarity, charity, and the universal destination of goods.