Because if you spend enough time on the internet, especially the Western side, you start to hear voices of people who oppose their governments and not enough from those who support it.
Even many who are supportive tend to say that their government is authoritarian.
the thing with liberal democracies are that leaders come and go, and no structural change is made. you have a little improvement when the capital isn’t in crisis, stuff gets worse when in crisis, and on and on in the endless pendulum, but stuff like housing, employment, access to quality health care and education, public safety and etc are never solved just because capitalism can’t deliver them, specially in the post soviet world, the neoliberal world where living conditions are worse overall and with not only communists party being absence but the left in general, crises are more frequent and more intense, this felling of being stuck and helpless makes people lose hope on their government or politics in general, that is why most lib-dems have so little approval.
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