Sabre problems were not and are not due to the operational model. So changing Project to Product or Moving to Rally or Waterfall to Agile will not solve the problems.
Far more bigger problem is integrity issues at VP, Director and Managerial levels. Even when MSM, Delivery, PMs, UX, Devs, QA where under different structures there was fraud, nepotism and kickbacks(from 3rd parties). This was not just waste wastage of resources and time, it even resulted in loss of customer trust as it severely impacted the products and services Sabre was offering.
Now with the new model and decision making in hands of few and structure is vertical and hence the risk is higher.
We are already seeing sign of this behavior. If you see something, say something, report it. Don’t be a bystander or worst an accomplice.
Leadership beware of VPs and Directors many of them are smooth talkers, crooks.