That's quite the statement you are making in the post. Every day we provide exceptional support to many users all for free. It doesn't help to say something like "There are so many issues , regarding data sources , no one here can help or no one need to help us" without an explanation of the issues you are having.
Have you seen this post? http://forum.infiniteautomation.com/forum/posts/list/1279.page
Please share any issues you are having in detail so we can address them for you.
Sincerely,
Joel.