Having worked in both corporate and startup worlds, I've rarely seen anyone under 40 reference a Gartner report as credible or actually use that as a source of information. Everyone knows it's pay-to-play, not particularly credible, and as the younger generations age into these very senior roles, I have no doubt that Gartner will lose a lot of relevance.
Given that trust in "mainstream media" has pretty much collapsed everywhere, I don't really doubt that this will inevitably hit the obvious corporate gatekeepers as well. Enterprise/b2b is just 10-20 years behind on trends experienced elsewhere.