It is not. This is a repository of "pre-print", non-peer reviewed papers. I feel like things against the narrative rarely make it outside of "pre-print". If they do it's by accident.

This is a good candidate for an accident. It is showing how "badly, boosters are needed". Hopefully, the peers overlook the negative effectiveness and focus on the ineffectiveness generally of the vaccine on the timeline. Then it might make it into the peer reviewed category for people to see.

Generally though, negative effectiveness is a real thing. Searching the internets, I found this: https://alethonews.com/2021/11/15/negative-vaccine-effectiveness-isnt-a-new-phenomenon-it-turned-up-in-the-swine-flu-vaccine/

It is interesting with its own citations with links if you want to go down the rabbit hole.