Here's a link to the actual study mentioned in the article. If you take the time to read it, you will find that nowhere in the study do the authors even suggest that mass vaccination destroys herd immunity. The reason the results observed by the study are a problem is legal, rather than medical, revolving entirely around FDA regulations.

"Greg," the author of that article, either pulled that little tidbit straight out of his ass, or grossly mis-interpreted the content of the study

Please don't spread this kind of sensationalized misinformation, because it quite literally kills babies - and not the ones that belong to anti-vaxxer parents (that would be darwinism at its finest), but those of innocent bystanders.