I see your point. If the old simply is no longer fit for purpose, maybe it's time for something new. The current façade of Buckingham Palace is little more than 100 years old now and yet no one bemoans the loss of the old one. In fact, the new one is arguably more stately. The problem today is...
Statcan: Population estimates, July 1, by census subdivision, 2021 boundaries
2019 - 2023
Toronto (C), Ontario ,%27id%27:%27A0005%27}]}'](map)
2,939,364
2,952,366
2,917,666
2,985,228
3,110,984
In case anyone hadn't seen it, Statcan's 2023 population estimates are out. In 2023, the city of Toronto's population was estimated to be 3,110,984 (link).
Even without a bunch of new entrances, real old-fashioned shop windows along the Yonge-St. facade would bring fine-grained detail and interest to the block.
That was my experience on Monday. Long line ups for baggage check--in, but otherwise everything went smoothly. My checked baggage arrived at London Gatwick and we sailed through customs and baggage pick-up there.
To your point, in 2019 Chicago's combined statistical area had an area of 28, 120 km2 and a population of 9,458,539 (https://en.wikipedia.org/wiki/Chicago_metropolitan_area). By comparison, in 2016 the Greater Golden Horseshoe had an area of 31,562 km2 and a population of 9,245,538...