"insufficiently committed to the organization"

A sorority at Depauw University is being accused of discrimination after officers of the Delta Zeta sorority asked 23 members to leave the group—23 members who also happen to be overweight and/or racial minorities: Sorority Members Say They Were Evicted Because Of Weight, Race. Coincidence? Yeah, right. The national office of the sorority interviewed 35 of its members and found 23 of those members "insufficiently committed to the organization." Translation: not pretty/skinny enough. More here: Sorority Evictions Raise Issue of Looks and Bias