Polyclinic... where are the patients?

I recall, long long ago... the fence was not there. The polyclinic adopted an open concept where residents can just easily walk in. Nevertheless, can't recall when, but only recent years, that the fence was installed all around. Why? Is it because of security? or? ...

Well, this is a photo taken in the early hours of a weekend morning...
I recall seeing the seats were filled by patients waiting  before the clinic starts its business for the day. Now, no-one's waiting out-there... where are the patients? Hm... has the demand declined? I wonder...