BAD IDEA!!! Is what I get from Serbians's (Belgrade)

When ever I have approached Serbian's on Facebook, regarding my move to Serbia, all I get that it is a BAD IDEA!!! They have not given me a reason, just say it is a bad idea.

Can anyone here tell me why they would say something like that? Did they say it out of safety issue, that they were concerned for my welfare? Or, because they didn't want me to go, because I am a Brit? Perhaps Brits are not welcomed. All I get is my imagination running away with me.

If someone on here, could put me wise on this, I would be delighted. Thank You.