I have some anecdotal experience with this. I was at an Oracle event representing my company that managed Oracle for a very large number of customers. I met Larry. He treated me like I was an insignificant and why was I even talking to him . I considered that rude and highly dismissive. It became my goal to get our customers away from Oracle to which I had some success. Quite a few customers were able to move to MySQ…
Hell hath no fury like a customer scorned
IBM banned from QLD. 10 years in and there's still no IBM contract within the state government that I'm aware of.
https://www.itnews.com.au/news/queenslands-ibm-ban-lives-on-...