I worked at (American drink company in Japan) previously and saw what the poster may be referring to.
Management Consulting sells ideas, many of them silly or not important that are marketed and packaged as era-defining. A manager who implements #FASHIONABLE_IDEA can look forward to upwards mobility, while boring, realistic, business-focused ideas from people in the trenches usually get ignored (unless you want a lateral transfer to a similar job). hashtag-collection-of-ideas is much easier to explain when the time comes for the next step up.
This explains why you get insane things like Metaverse fashion shows that barely manage to look better than a liveleak beheading video. These sorts of things might seem like minor distractions, but getting these sorts of boondoggles up and running creates stress and drowns out other concerns. Once the idea is deployed, the success or failure of the idea is of minimal importance, it must be /made/ successful so that $important_person can get their next job.
These projects starve companies of morale, focus and resources. I recall the struggle for a ~USD $20k budget on a project to automate internal corporate systems, while some consultants received (much) more than 10 times that amount for a report that basically wound up in the bin.
Oddly, this sort of corporate supplication to management consultants worked out for me (personally). I was a dev who wound up as a manager and was able to deliver projects internally, while other decent project managers could not get budget and wound up looking worse for something that wasn't their fault.
I don't think any of the projects brought by management consultants really moved the needle in any meaningful way while I worked for any BigCos.