We understand how important Users and Analysts support is.
When they face a hurdle or are looking for guidance, they resort on public web sites looking for tips or recipes.
Time is money and this is far from free, besides the potential risk of exposing internal information. See alternatives below...
if time is money, the time spent looking for answers clearly has a cost.
Secondly, answers found in different sites may not apply the same methodology, or be linked to certain types of data sources that differ from the ones used in your organization.
Last, but not least, there me be unintended exposure of internal information, since it may not take long to a savvy hacker to link the name of a user asking a question, with the company he or she works for.