A moment in history
During my time at one of the esteemed companys mentioned in the article, I was told of a milestone email that was circulated regarding HAMR - it declared a 'breakthrough'...
"We've stopped the heads from exploding!"
An in-house presentation about a year ago outlined the upcoming/experimental magnetic media technologies and the anticipated storage capacity gains - and HAMR was a big 'meh' at that time, so I am not surprised it's being shelved.
What else was in the presentation? Well, there was great excitement about adv&*()hgfik%^£&a NO CARRIER