Red hat was a THIRTY FOUR BILLION DOLLAR acquisition. For a company that dresses up free software for enterprises.
No way Red Hat is staying like some gilded ivory tower of open source purity. They are a brand name for selling services and licenses, so if Red Hat still looks after ... wait that was only 3 years ago? Well anyway if Red Hat is still recognizable after that acquisition in some non-IBM way then IBM is showing enormous restraint.
The previous 10 years at IBM were "buy company, attach Websphere to the front of their product names, sell, abandon product". Still better than Computer Associates software, but not much better.