I think I'd really insist on holding the line at “this deal should not go through”. The reasons for that are twofold.
First, trying to create an imaginary, new fourth competitor to replace one that's already existing is a fool's errand. We've already seen that with the Bell MTS deal. The fourth competitor just hasn't gotten off the ground, and it's been a complete failure. I'm referring to Xplornet here.
Second, when we looked at the United States, they were faced with a similar merger in 2011 when AT&T, the number two provider, went for T-Mobile at the time. The U.S. Department of Justice said no, and what happened immediately afterwards? T-Mobile doubled down on its maverick strategy by offering more affordable pricing plans and much more generous data allowances, and by doing something completely unheard of but that would be certainly welcome in Canada, offering “roam like home” deals to T-Mobile subscribers that allowed them to roam in over 100 countries around the world without any extra bolt-on of $10 or $15 a day.
If you go to the U.S. they're—