IT needs to focus more on "Data as a Service"
Business Units know their data and how external information can affect it and vice versa. IT may not have the business knowledge to do this. What they do have however, is very good controls on accessing and protecting data.
I'd love to see more IT involvement in providing "data as a service" such that I can tap into data sources, perform my analysis, and return a certified result set back into the data silos so some other department can consume it.
There are tools such as Jupyter, RStudio, Power BI, Excel etc., that run on desktops and can consume data such that I can analyze it the way I need to. If IT can support the data pipes to me, it would enable me to provide more value to the business.
Oh... and please dont make me wait weeks for data that I know is accessible in a much shorter timeframe by reaching out to the actual owner of the data.