AlvinofDiaspar
Moderator
As Muller mentioned, the TTC has been disincentivizing short trips in central Toronto for decades. They've been subsidizing the suburbs since the flat fare was instituted. That's a big part of why the downtown subway network hasn't grown in 60 years.
To be fair, the system did brought about a much higher level of transit usage than peers in the US, and the problem with downtown transit wasn't acute at the time. If there is one issue, it is that they didn't (reasonably?) foresee the failure of the multi-centric plan and missed the boat on core intensification. The 90s recession and the mid 90s to early 2000s 905 commercial boom (and stagnation in the 416/core) didn't help making the case for downtown transit either. The problems with Yonge would have boiled over if not for these intervening circumstances and probably moved DRL earlier.
AoD