PBE helper dialog - High ping

I currently play from NA and have very little issues with ping(100 ms is normal for pbe). A lot of players report 300-2000 ping constantly. I have been telling players that it is a NA based server and it is global. Most players did not know that was the reason for the constant high ping. My suggestion is to add a dialog box at a good spot before queuing the game to alert players that the ping is above playable standards.
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