"if they have a Known issue that puts them at increased risk from a vaccination than the population." Now, in the post above, you said "because they had an issue they didnt previously know about perhaps." So that's the difference; are you seriously going to argue otherwise? Of course no one will pile on for someone who doesn't vaccinate when there are known, significant risks related to vaccinating a specific individual. What people are criticizing is people who are against vaccinating in general either because (1) they think certain issues (like autism) are tied to vaccination, or (2) there are certain statistically insignificant side effects that are caused by vaccines.