Ongoing argument about whether Singaporeans really own their HDB flats, or whether they're just renting them on a lease.
One thing that tips the balance in favour of the latter argument is the fact that the HDB has the right to confiscate or repossess your flat if you do something unacceptable in the eyes of HDB, the Big Brother.
http://www.asiaone.com/business/what-actually-happens-when-hdb-confiscates-your-flat?xtor=EREC-16-4[Emarsys_Newsletter]-20180102&extid=6934d0cfb7b252f1ae9f0dbddf5ff88ca8637e77