Suspicious Property Agent edits around Klang Valley

See this, I am tired to type all of the reasons. KL-Selangor border relation was incorrect in the few last day

Correction, these seems like a website called Smolpotato that using OSM data.
BTW, I am grateful that they use OSM data, but you know the nomitation in Msia is problematic due to different locak government/District or postal code area.