I can understand why all the other things would be listed here, and I would understand if sexuality in general was considered inappropriate for children, but why homosexuality in particular? This is strange to me.

<content_rating type="oars-1.1">
  <content_attribute id="violence-cartoon">none</content_attribute>
  <content_attribute id="violence-fantasy">none</content_attribute>
  <content_attribute id="violence-realistic">none</content_attribute>
  <content_attribute id="violence-bloodshed">none</content_attribute>
  <content_attribute id="violence-sexual">none</content_attribute>
  <content_attribute id="violence-desecration">none</content_attribute>
  <content_attribute id="violence-slavery">none</content_attribute>
  <content_attribute id="violence-worship">none</content_attribute>
  <content_attribute id="drugs-alcohol">none</content_attribute>
  <content_attribute id="drugs-narcotics">none</content_attribute>
  <content_attribute id="drugs-tobacco">none</content_attribute>
  <content_attribute id="sex-nudity">none</content_attribute>
  <content_attribute id="sex-themes">none</content_attribute>

  <!-- this line here -->
  <content_attribute id="sex-homosexuality">none</content_attribute>

  <content_attribute id="sex-prostitution">none</content_attribute>
  <content_attribute id="sex-adultery">none</content_attribute>
  <content_attribute id="sex-appearance">none</content_attribute>
  <content_attribute id="language-profanity">none</content_attribute>
  <content_attribute id="language-humor">none</content_attribute>
  <content_attribute id="language-discrimination">none</content_attribute>
  <content_attribute id="social-chat">none</content_attribute>
  <content_attribute id="social-info">none</content_attribute>
  <content_attribute id="social-audio">none</content_attribute>
  <content_attribute id="social-location">none</content_attribute>
  <content_attribute id="social-contacts">none</content_attribute>
  <content_attribute id="money-purchasing">none</content_attribute>
  <content_attribute id="money-gambling">none</content_attribute>
</content_rating>