When you add in family and friends of those IBM has treated so poorly they have created hundreds of thousands, if not MILLIONS of people in the tech sector who will never, ever support an IBM purchase and who are working within customer sites and for competitors to see to it that they go out of business. Think about it, if you got dumped after decades with IBM and ended up at a customer site the answer to EVERY question about system performance and downtime would be "IBM f'ed it up AGAIN"
Perhaps this is why they are emphasizing healthcare, there are fewer people there HATE them. Meanwhile, they spend Billions on advertising and share buy backs.