I don't know who BE is, but it's naive to think anyone in leadership would be held accountable for low morale among the rank-and-file employees. That's not an organizational priority for this company at this time.
What IS a priority is to reduce internal expenditures by shipping formerly on-shore roles off-shore where labor is much cheaper and more compliant. You can guarantee that leadership has accepted that a natural consequence of this course of action is low morale amongst the remaining on-shore employees. In their eyes, that's not a problem that should or will be addressed, it's a natural effect of their success, and one that they will only have to endure for a short period of time until the same offshoring work can be completed with other teams and the dissenters re-org'd out.
In any relationship, friend-friend, lover-to lover, or employer-employee, it's really important be aware of where you rank in the other's person (or, in this case, organization's priorities). Expecting to be #1 all the time is unrealistic. Even in marriage or a long-term partnership most of us accept #2 or #3 at various times for various reasons (needs of children, aging parents, career growth opportunities, etc) but if you are no longer seem to be ranking at all, and can't make any headway in changing that even when your partner is made VERY aware of it--that's a good sign you're in an unhealthy relationship. At this point, it's clear that Cengage is no longer prioritizing employee satisfaction at all, and it's also VERY clear that leadership doesn't care and isn't focused on improving it.
Given this, employees have two courses of action 1) find another job (which is not easy right now, as the market is quite challenging) or 2) disengage, dial it in, and hold on long enough to get a severance package when it's your turn to get re'org'd out.
Which is the right course of action is up to each individual employee. But if your choice is #2, hear me when I say: don't waste your energy screaming protests into the void or lay your hopes on an organizational about-face that is not coming. Treat the job just as transactionally as your employer is treating you.
Plan for your next steps on company time. Get your resume and cover letter ready. Research where you might want to work and network network network. Then, when the day comes that you are scheduled for your last-minute riffing call with HR, smile and thank them for the opportunity, and sign for your severance package. Next, file for unemployment (which your employer also has to pay for, so collect every dime you can) and move on to your next chapter.
No one gets a divorce for fun, but if you adopt the right mindset, you will find a way to relish the liberation that comes with it and embrace your next chapter.