Many signals, not just view count, contribute to what's Trending. The video with the most views on a given day may not be #1 on Trending, and videos with more views may be shown below videos with fewer views. Here's more on how it's ranked: https://goo.gl/ykrtrW
Please send a feedback report directly from YouTube: https://goo.gl/WdI0BK . While every individual report may not get a direct response, we do review everything and use the details to investigate and make improvements. Thanks.