Reminds me of Sears & Roebuck, which may be on its way out of existence...
IBM Sears may not have been well run for the last quarter century or so, but they built enough goodwill in their first 40 years to last almost indefinitely IF they made sold a good product.
Sears is different from IBM. I know both companies well as I worked for both for a while. Sears is purely consumer driven where IBM is mostly business driven. Yeah, there was PC-DOS and OS/2 and the PC that quickly got cloned out of existence, but IBM was always known for their business offerings. Sears sold things under their own brand for so long that consumers stopped going to them when the Circuit Citys, Best Buys, etc. came around. Their entry into brand name products was way late and their store management ranged from bad to dreadful. They ran off good employees and didn’t offer newer, part time ones, much to make their brand better.
Sears goodwill was built during the time where my parents (born early ‘30s) were first married and lasted for 20 or so years. That was a LONG time ago. IBM had easily a half century or more of quality products and services. Sears has been going out of business slowly for decades while IBM, though maybe not the same IBM as we saw a few decades ago, is still going fairly strong.