How good is a MAX 7X and why would it replace the original?

1. The 737-700, and therefore MAX 7, was defined a continuation of the 737-300 at 126 passengers in a domestic two class configuration.
2. Bombardier is offering 135 seats in a similar, but more comfortable, CS300 cabin with an aircraft which is lighter and more economical than the MAX 7.
3. The already meager order book for the MAX 7 is therefore getting more pressure from a resurging C Series line.
4. Boeing is now attempting to convince its customers that a larger MAX 7, based on MAX 8, would be a better aircraft for the customers (and for Boeing). We reveal why.

Full text: https://leehamnews.com/2016/05/09/good-max-7x-replace-original/