Alien Telepath being able to break effect

  1. Bug description
    [Alien Telepath able to spend off Spell and traps when it specifically mentions monsters.]

  2. Bug reproduction steps

    [I have Alien Telepath in play and my opponent has Code "A" Ancient Ruins or any Alien related S/T that adds A Counters to it. Alien Telepath can activate its effect even though it specifically mentions Opponent's monster.]

    Spoiler

    your replay code

  3. Screenshot OR error code

  4. Expected behavior
    [Alien Telepath should not be able to use its effect.]

  5. What OS are you using
    [Windows-10]