where did i go wrong

ok
on-line EGLL - EHAM have already installed new default scenery for EHAM , they vector me for the approach to rnwy 18 i think , anyway its not on my Gps / radar default window , they slow me down to nearly stall speed , i guess because i was behind another plane , vectoring me all the way , i have ZERO vis for whatever reason , and i told them , eventually my stall warning goes off , i`m dropping like a stone , so far a nightmare ....... ok now i open the throttle regain control , i then request for an approach to rnway 6 which i have used before , so they vector me round to rnway 6 , i`m then told to contact ground , which i promptly do , then i land finaly on rnwy 6 get clear of the rnway and thank ATC for there help , now heres the bit that got me , i then got chewed out by ground for not contacting them for a landing , getting told it was strictly forbiden , WHAT THE F**K , i had just been up , down , back and forward vectored all the way by them and i get that ear bashing ,
that was it for me , i disconected , swore a little , and kicked the cat
where did i go wrong ?
on-line EGLL - EHAM have already installed new default scenery for EHAM , they vector me for the approach to rnwy 18 i think , anyway its not on my Gps / radar default window , they slow me down to nearly stall speed , i guess because i was behind another plane , vectoring me all the way , i have ZERO vis for whatever reason , and i told them , eventually my stall warning goes off , i`m dropping like a stone , so far a nightmare ....... ok now i open the throttle regain control , i then request for an approach to rnway 6 which i have used before , so they vector me round to rnway 6 , i`m then told to contact ground , which i promptly do , then i land finaly on rnwy 6 get clear of the rnway and thank ATC for there help , now heres the bit that got me , i then got chewed out by ground for not contacting them for a landing , getting told it was strictly forbiden , WHAT THE F**K , i had just been up , down , back and forward vectored all the way by them and i get that ear bashing ,
that was it for me , i disconected , swore a little , and kicked the cat
where did i go wrong ?