Note that I don't take into account people who may desire a given state of affairs, but who do not vote. This fulfills the criteria. What this means in clear is that people's hopes that the current democratic system will obtain a desirable system, coupled with the low support for freedom, largely favours the system. X is the percentage of people who are libertarian. Note that this is different from people who claim to be libertarian, or do not know what libertarianism is.
Libertarians understand the importance of freedom and rights in the pursuit of life in society.
The factors of hope are different kinds of factors. The higher Y and Z are, the easiest the game is. This is a stricter mathematical condition, supposing mainly an influence on Y and Z, than the situation where hopes are not complementary. Factors of hope, therefore, are primarily motivated by false expectations as well as the idea that the system will turn in one's favour. Inevitably they will clamour for the protection of an industry when speaking in a company in some domain, then talk about free trade to a group of economists, then about the necessity of enforcing environmental theories against corporations to a group of eco-nuts, and so on.