Aww thanks @donnie @englandsnumber1 @navvy ! Thankfully my points are now showing yay!!!I must admit my case appeared to be closed immediately after the agent responded.
Your points should show at https://giffgaff.com/profile/payback
There isn't a link directly from the account dashboard main page, but it is on the drop-down menu when you hover over your name in the top black bar. This bar may not appear for some small screen widths.