Dark Age of Camelot : Credentials plain text

After login screen, the login.dll executable will launch game.dll, with the function ShellExecute, but :

 .text:0041D608         push  offset password  
 .text:0041D60D         push  offset user_name  
 .text:0041D612         jz   short loc_41D640  
 .text:0041D614         movzx  ecx, byte_46254C[eax]  
 .text:0041D61B         push  ecx  
 .text:0041D61C         push  edx  
 .text:0041D61D         lea   eax, unk_4624CC[eax]  
 .text:0041D623         push  eax  
 .text:0041D624         push  offset name_dll  
 .text:0041D629         lea   ecx, [esp+3968h+CmdLine]  
 .text:0041D630         push  offset aSSDDSS ; "%s %s %d %d %s %s"  
 .text:0041D635         push  ecx       ; char *  
 .text:0041D636         call  _sprintf  

Yes login and password are passed on the command line in plain text ...