That is just factually incorrect. Most Chinese Malaysians are either Cantonese or Hokkien, with closer ties to Taiwan and Hong Kong than the mainland. A lot of the older folk don't even speak Mandarin. Keep in mind the CCP wasn't even in power when most migrated here.
As a Malaysian Chinese my ties to the CCP is that I have heard of them
literally it doesnt matter you'll always be Chinese to them.