Why do Emotional Ads go viral?

Some emotional ads just seem to go viral out of nowhere. Whether it's a touching story, a strong message, or something we can all relate to, these ads tend to stick with us long after we've seen them. It seems like people share them because they connect emotionally or feel real. There’s something about these ads that really grabs attention and gets people talking.

Do you think emotional ads are an effective marketing strategy? And do you think there are cons of using this approach?