Superficially similar but one of these was the disintegration of a nuclear superpower and multi-national empire. Bulgaria is a small country in the Balkans. Its population is smaller than that of NYC.
What is your point?
I thought I made it clearly but I'm happy to repeat. The post-Soviet-collapse socio-political developments in Bulgaria are (for a lot of obvious reasons) almost, but not quite, entirely unlike those of the actual Soviet collapse.
One of these obvious reasons is that Bulgaria is a small country. Especially compared to the Soviet Union. Which was a big country. In fact, the biggest one.