We don't talk about it much, but think about it. Every man-made object you encounter every day was manufactured somewhere. And moved, more than once. Now add in all the sales, marketing, customer service, operations, accounting, finance, human resources, etc., needed to support that manufacturing and distribution. Next, add financial markets, healthcare, energy, entertainment, etc., and you have tons of stuff.
But you don't see it and rarely think about it. Kinda like most of the iceberg being underwater.
And all of this needs software. And most of what they have sucks. I mean really sucks. Enterprise software is so bad that there are multi-billion dollar industries devoted to consulting on how to use it, how to share it, and how to store it in data warehouses and harvest it. It's so bad that lots of people have to dump the data out of their enterprise systems and into Microsoft Excel just to get anything done.
When Willie Sutton was asked why he robbed banks, he said because that's where the money is.
What banks were in the 1930's, enterprise IT is in the 21st century.