Facebook determines post visibility based on engagement. If a high percentage of your likes are fraudulent and don't engage, that means that the initial group y

Facebook determines post visibility based on engagement. If a high percentage of your likes are fraudulent and don't engage, that means that the initial group your post is shown to is less likely to engage, and, in turn, your post is less likely to be seen by legitimate followers since the low engagement means Facebook won't expand the percentage of your followers that see it in the first place.