Is This A Reportable and Bannable Offense?

So, is it reportable for someone to get autofilled support then continue to ban the adc's champion and go a different adc and troll in this manner? NOTE: This isn't like MF support, more than Jinx Support or Ezreal Support, and in this specific instance, lucian support.
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Ofensivo Spam Mau comportamento Fórum incorreto