Yes, ANYBODY can make a report to VAERS online. But it's presumably been effective and somewhat accurate in the past. Otherwise it would have been abandoned, right? But now everyone is saying that it's totally worthless because they don't like the data coming out of it. Yes, a lot more people could be making fake reports, but it's also possible that that is not the case.
How a CDC Database Is Fueling Global Anti-Vaccination Sentiment
https://harvardpolitics.com/cdc-database-misinform...
Report an Adverse Event to VAERS
https://vaers.hhs.gov/reportevent.html