Nonetheless, it is sometimes blatantly obvious to the person who is assigned the task of training the person or persons in the duties they perform, immediately before they find themselves without a job.
And when you repeatedly get feedback from several/many people in your organization, asking why this or that isn't done yet or continues to be wrong.
If Management really believes that "this is the right decision for us", with full -- or at least competent -- knowledge of what is going on and how it is working out, then they also are deliberately planning to irritate and inconvenience at lot of their other employees and extant work flows.
I've seen it. Repeatedly.
And, like the grand parent, I've worked with some outsourced/overseas people who were good. In my experience, over a number of years, they tended to be the exception rather than the rule.
This speaks to corporate outsourcing, from a U.S. perspective, rather than in general. Plenty of people elsewhere are very good at what they do. A lot of U.S. corporate outsourcing, in my experience, has drawn from a different and significantly less capable labor pool.
Meanwhile, the people structuring and running these transitions tended to collect their short-term consulting fees and bonuses and move on.
Your employer should make that decision and they seem to think otherwise.
Not everyone wants to shop at whole foods.