It could be because the manga's content is very intense and evokes strong feelings. Maybe the story or the art style has a powerful impact on them.
It's a rather niche and specific theme that attracts those who have a particular interest in such intense and explicit content. But it's not for everyone's taste.
Maybe it's because the plot demands them to be upfront and honest. They might have a personality that doesn't hold back naturally.
Maybe it's because they have a strong bond and feel comfortable being themselves. There's no need to hold back in that kind of friendship.
One reason could be that the characters' experiences and struggles resonate strongly with readers, making them feel the hurt along with them. Also, the art and narrative style might draw people in so much that they become fully immersed and vulnerable to the emotions portrayed.
You shouldn't hold up manga because it disrupts the normal distribution process. Publishers have schedules to keep, and holding them up messes with that. Also, it could potentially lead to legal issues.
Maybe they just don't have an interest in that kind of visual storytelling. Some folks prefer other forms of entertainment like movies or books.
It could be that your internet connection is weak or unstable. Check your Wi-Fi or data signal. Also, make sure the manga source is reliable and not having technical issues.
It could be that the art style or panel layout is distracting. Or maybe the themes and concepts presented are beyond one's current understanding or frame of reference.
Maybe they just haven't found the right genre or style that clicks for them. Everyone has different tastes.
It could be because they lack knowledge of manga culture or the specific language and symbols used in it.