WaffenBrueder Kassel

i dont understand or i dont remember but surely i was killing others with anti tank weapon before this day,and others were using rpg`s,strange... can i use rpg/smaw to destroy vehicles with people inside,or its the same bad solution?
why i didn`t get ban earlier,i`m playing in this server about 1 ...

i`ve been banned in BF3 server - wbks gaming #2 (mixmode,all maps),my name in the game - RomehaRus23,i was banned for - no SMAW anti tank for 1 hour,i don`t understand why because i played more than 2 hours yesterday and day before more than one hour and was using RPG and SMAW,can you explain me ...