Whilst I'm not sure that there is strong evidence for this being related to the IBM acquisition, the idea of "blue wash" where acquired products have their lice

Whilst I'm not sure that there is strong evidence for this being related to the IBM acquisition, the idea of "blue wash" where acquired products have their licensing changed to fit in with IBM's way of doing things is so common that there's even an IBM web page about it https://www.ibm.com/support/pages/what-blue-wash https://www.ibm.com/support/pages/what-blue-wash. To quote that page "Once customers upgrade to IBM?s product it is often too late to negotiate and avoid hefty licensing charges associated with changed licensing metrics? "