There are many wrong ways to start a conversation, not sending someone a PM is one... Those who dare, win...
The QP PM welcoming party has been laid off since Jade Helm is over.
Having bad SA is another. Read some of the posts that someone has made, and it'll give you a clue about them.
Most of the members are willing to help if you've articulated yourself well, show proper respect, are asking a question that you have a need to know, and demonstrate that you've put some effort into searching for the answer on your own.
The key behind that time is valuable, and most don't want to waste it on someone who is not going to give a good ROI.