I would suspect that most elite CO members are booking travel through their corporate travel agencies - so they would get no booking bonuses and unfortunately lower EQMs.
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For me, I personally book the travel of the 8 people in our group. We fly about 300 days per year with 90% of it being domestic travel. In our group, more or less all of us are top tier, or close to top tier elite on all the major carriers except for American and US Airways. We (I) basically decide at the beginning of the year who we will choose to get status on in the upcoming year (we chose one from CO/NW/DL / one from US/UA / and then just fly the others whenever the nonstop option is better.)

American called me to ask why the star in our group does not fly them anymore (used to be EXP, and I basically told them that while it is nice for him to have status, unless they were willing comp status to the others in the group, it makes no sense to me to have him the only one with status while the rest suffer)...

AA declined, and as such do not get the business, so be it

We are all loyal Blue Carpet flyers