I have had so many questions on this topic as of late that I did end up making a video on it, especially with the new news of Seven and I's decision to try and split the company to avoid shareholders accepting the Couche-Tard offer. I'll drop a URL to the video below.
https://www.youtube.com/watch?v=Iyu4kA9Pnug
If you're looking for my thoughts on Couche-Tard buying without viewing my overall view on the entire scenario, head to the 6:53 mark.