In this day and age there is simply not enough demand to sustain an IT themed major shopping mall in Singapore. Even if the mall operator was someone other than Capitaland, it would only be a matter of time before the mall is repurposed.
Sim Lim is a classic example, even though it is strata titled owned, the number of real IT shops keep decreasing every year and it has to either transform itself to something else or just see vacancy go up every year.