“The Kurds have survived under Assad’s rule. Why overthrow him?”
The Russians survived under Soviet rule. Why overthrow it?
The same reason - the injustice and brutality of the dictatorship.
Assad only looks good in comparison to an off the charts evil like ISIS.
The Kurds have been screwed by everyone. Including the US. They want their independence from everyone.
If Assad goes, jihadis come. He is necessary in Syria unless it converts fromislams