Answer:
because they don't really believe it.
Step-by-step explanation:
They just get better position in different situation, based on their pros and cons, not a moral principle.
that is only a gesture to get more votes.
if think about "Freedom is Equality", we wonder that its very important to mention, freedom for who? freedom in what? absolute freedom or limited?
do we want freedom for all people or for only special part of society?