Not sure I agree with you.
Let's look at traditional shopping malls in the GTA:
Fairview, STC, Markville, SQ1 - Renovated and adding new/better stores
Big box power centres (the ones I can think of off the top of my head) - Woodbine and Hwy 7, Yonge and Hwy 7, Eglinton and Warden, Kennedy and...