I see that apart from the MCKIP, which I last heard has also been quite dormant, the other mentioned investments are mainly reclamation works for their own property developments and is already infamous especially in Iskandar Johor, which is contributing to a serious glut in the supply of condos during the next 2 to 3 years.
The other is the Bandar KL project, which is being done to secure the HSR contract and is as good as a done deal. This project though may be sustainable for the long term because it will take about 5 years to complete and will be followed by the periodical maintenance and technical transfers.
Nevertheless, all these Chinese FDIs are good and should remain worthy if there will be no social and racial conflicts in Malaysia. However, judging from the constant radicalization of the orthodox minority (which I don't need to elaborate here) and the government's commitment to continue to please them in order to win their votes, I see it as a gamble by the Chinese.
One must always remember that the indigenous have and will always be feeling uneasy with the Chinese if they think that they are being outnumbered, overpowered or losing their grip. One must always not forget about these incidents: the waving of the Kris incident in Putrajaya, the unlawful dressing code for visitors of all races to government offices, the pending implementation of a "women's only" check out counters in supermarkets and separate trolleys for Muslims, the rioting at Petaling Street, etc.