I think it's more about the product than anything
Raptors have now been good for quite a while and won a championship
The Jays were an awful product for the late 90s, entire 2000s, and the first half of the 2010s. Even the competitive Bautista et al. teams were fleeting geezers.
Just now, with Vlad and co., the Jays might be putting together the type of exciting sustained winner that gets young new fans in the fold.