Solid Reason's Not To Do Direct Database (T-SQL) Operations on Dynamics CRM Database From the Pros

I got an email this morning from an old college classmate of mine in kind of a exasperated tone with a one word subject "HELP!". It turns out that she has fellow IT folks that want to replace some updates she is doing regularly using workflow that have worked fine for a long time with nightly T-SQL batch jobs pushing the data from their data warehouse back into CRM, even though it was already in CRM to begin with. I decided to delve into this a bit to see what are the real reasons...(read more)