My anecdata from working quite a few years at big tech companies where most of the staff began as technical and then some went off to get business degrees to ad

My anecdata from working quite a few years at big tech companies where most of the staff began as technical and then some went off to get business degrees to advance into management, is that the biggest change was they started using a lot of business school buzz words and attached much more importance to spreadsheets and presentations than they used to.