This is all part of their Corporate Goals and Key Incentives for 07, outlined
here.
Yes, they implemented the one-way awards, but are also following through with the annoying elimination of bargain fare holds.
Goal #4
Make flying easy. Provide caring service and great value to keep and win customers.
• Implement instant ticketing for all fares except F and Y fares and require purchase of those within 72 hours of reservation. Simplify and automate standby rules and processes.