Firstly, can we at least get the timeline straight - "Gartner's position follows the Bank of England's warning that there is a danger of a sudden correction in the financial markets"
No it doesn't - Will Sommer at Gartner released his opinion two days ago, and it has now been contradicted by the BoE warning yesterday, and then again by Jamie Dimon at JP Morgan, not to mention Sam Altman at OpenAI, who all believe there sure as hell is a bubble, and it's very likely going to burst and hit a lot of companies.
If Gartner thinks what we're seeing is "a regular part of the product life cycle" and there's just going to be some kind of controlled and happy merging of a few companies & products into one another, then they need to take the red pill and wake up