Re: "Intel could shed up to 20 percent of its current workforce"
More's the pity.
Intel seems to be pretty thick around the middle, with (too) many layers of management replicating each other. Any company that size is going to have a lot of bureaucracy, but Intel could write the book.
Laying off (de-labouring, whatever) factory techs, R&D folks, engineers and so on, isn't going to help matters. Not long-term, anyway -- maybe it'll give a short-term boost to the balance sheet but even that is debatable when you factor in severance costs and such.
Requiring more RTO isn't going to help either. The people who genuinely need to work onsite (fab and factory, lab and datacenter folks et al) already are. The rest aren't going to magically be more productive after an enforced daily commute if they've been carrying on well enough remotely.
This talk about "tough decisions" and all that is an oft-repeated playbook to cut the workforce again... because it worked so well the last dozen times, right?
Even a casual observer can figure out Intel have gotten to the moribund state they're in over years of mis- and over-management, dysfunction, fiefdoms, infighting, bureaucracy, inefficiency, and an overall unwillingness to adapt to changing times. There's no 1 cause for it all, just as there's no 1 magic answer that's going to fix it all, certainly not in short order. Perhaps this time try cutting more management if you really do want to simplify the business, since a lot of them are responsible for that list of problems, and more.