The comments field on Youtube is often a discussion material for netizen. However, not infrequently the comments column becomes a face of various hate speech and other negative things.
Therefore, Youtube tries to hide the video comment field by default from the user's view. Comments on the video remain legible, but the user has to press a specific button to bring it up.
Quoted from The Verge, the existence of the comment button on Youtube is known from the screenshots circulating in the virtual world. It is located between the dislike, share, and save to buttons. Comments on the video can be viewed directly by scrolling through the list of recommended videos.
Another alternative is to hide the comment field named looking for comments. This button appears at the end of the recommendation video. The mechanism of hiding the comment is being tested in the Indian region.
It's most likely that Youtube will hide comments by default. However, Youtube parties are not yet able to give certainty about it.
"Hiding a comment is one of a series of trials we do. We'll consider rolling it out broadly based on the feedback it gets, "explained Youtube.