As a native Canadian English speaker who has interacted with many non-native English speakers from a wide variety of backgrounds in Canada, I can't see how that

As a native Canadian English speaker who has interacted with many non-native English speakers from a wide variety of backgrounds in Canada, I can't see how that approach would work out well. That sounds like a way to acquire an unusual dialect that might even be more confusing to both native and non-native English speakers, especially those outside of the major cities who aren't already used to talking with non-native speakers. If somebody wants to become fluent in Canadian English, they'll need to directly interact with native Canadian English speakers (or certain native American English speakers) for a prolonged period of time. Even then, I know many non-native English speakers in Canada who can get by well enough day-to-day, but even after many decades of daily practice, daily use, and daily exposure in Canada, they're still quite far off from fluency in many ways.