They are simply offering a price they are willing to pay to acquire the outstanding shares. I’m sure most of us have placed a low ball bid on the shares of a company we like at some point.
Based on their condition, it’s up to the majority of the minority to ultimately make the decision, not Fairfax nor the Consortium. That’s what makes it fair. The sellers decide if they like the price.
If you don't like the price, just vote no with your shares.