I am a former IBMer with 29 years experience. I now work for a competitor with several other X-IBMers. It is fair to say we never have - and probably never will have - someone defect to IBM. IBM's reputation is under water in these parts - and it is sinking fast.
I wish I could say we routinely move business away from IBM. The truth is: IBM is rarely considered by new customers. We just don't see them in competitive situations.
There is one place where I can make a difference: talking to college students. They say things like "IBM looks like a company that is going nowhere". I am happy to add "Looks can be deceiving. It is a company that is going backwards". If pressed, I can share true stories of how cuts, re-orgs and RAs have made the place toxic.
For me it is doubly sad. I started at IBM in 1970s. My opinion of first and second line managers from that era: smart, very well trained and eager to help everyone advance professionally and personally. Colleagues were inquisitive, inspiring and interesting.
Couldn’t agree more with @Wd9x3KS-1usi