GAMEPLAY BUG

So, I was playing an ARAM when my friend grabbed a Galio with Urgot ult, and started pulling him in. The Galio started channeling his w and taunted us upon arrival, which I don't believe should be possible since Urgot ult causes suppression all the way along the pull, so the channel should have been interrupted immediately at the beginning of the pull. I have recorded the bug and will attach it with this post. It cost us pretty big since we couldn't fight like we should have been able to.Video