Your add alias can be simplified and altered as such:

alias add { 
  var %b = .auser -a op $1 | raw -q kick # $1 Blacklist | mode # +b $address($1,5)
  $iif(!$1,echo # * Insufficient parameter!,$iif($1 !ison #,echo $v2 * No such user as $v1,%b))
}