I wrote in a comment before this one that I already understand the reason and even agreed in this comment that yes it works to drive the point home. However, my main issue is that it comes across as lazy. There are better ways this could have been shown (a Scottish accent perhaps:finnawoke:)...
You're right. But a confusing sentence is a confusing sentence in any language. Anybody should still be able to piece together context clues to understand a small meaning regardless of dialect. But that's my two cents