The whole reason I exist is because of this quote from the article:
Citizen development can be explained as the flipside to the spooky-sounding "shadow IT", where business users, hungry to solve problems, quickly built their own solutions in isolation from the core IT department.
However, cloud platforms like Azure for example are making this soooo much better though. It's allowing us to all work under one roof where we can bring IT and Shadow IT together where we can focus on collaborative efforts to bridge the divide. For example, IT will be able to fully support what I'm doing as well as allow me to continue building it out where they can jump in and get their hands dirty to help push it forward as one team, not two separate teams working in silos.
To be honest, I don't see the cloud preventing such a thing. People will still do their Office 365 stuff and try to run the business on Access databases and spreadsheets (and there IS some merit in even that!). It doesn't matter what platform you use, only a culture change will prevent "the great divide".