@Big, tattooed Fred
IBM leadership showed lack of vision several time, remember the IBM PC? IBM virtualization expertise superior? Have you ever heard about VMWARE? All it matters in this world is market share not expertise.
X86 architecture is a ugly architecture, but nobody can beat it on price performance because of the volumes it get produced. Power, Itanium and SPARC will eventually be replaced by X86.
The most famous migration Transitive did was when Apple migrated from to slow and overheating Power CPUs to fast Intel CPUs.
IBM will do whatever it brings them more money, will see what that is...