Ye, it's annoying but no reason to ban, leave and come back later. I get very annoyed when it's busy on the server and people insist on arty/airstrike spamming. I just play something else till the server gets abit emptier or a better map comes up. (or those bloody stupid poison knives, cheapest kill ever, no skill involved in hitting someone and pretty much a guarenteed kill... grrrrrrr :P)
Just learn to live with it, get level 4 engy for a flakjacket, jump if you see a panz coming your way and 90% of the time you'll survive it