I certainly haven't noticed the same kind of political dynasty in other EU countries. Not that there are no pathologies in their political systems.
The thing is, in Greece, we could perhaps say that it's OK to be ruled by the sons and grandsons of previous PMs if things were going alright despite that. They are not though. And it's an easy correlation to assume between nepotism and corruption in politics.
Singapore's governance is well-oiled, but I wouldn't call it squeaky clean...
[1] https://www.straitstimes.com/politics/singapore-rises-to-thi...
But as colleagues who worked there described it, you are on top of the pyramid as a well-hired westerner. So you don't have to give a fuck about tons of things that make decent human being, as long as you don't cross often draconian local laws and align. It takes a bit of specific personality to thrive there, but many do...