This result could change physics forever

Seeing someone this excited over a potential new discovery in particle physics is refreshing, because I just came away from a video about simulation theory, and it left me feeling nihilistic. I was like, what's the point if particles/matter/the universe only render when we're looking at them, and consciousness is the only thing that really exists? I know it's just one interpretation of QM, but it messed me up. I was already familiar with the idea, but something about the way the idea was presented gave me the impression that we're alone in a universe that's no more majestic than a video game running on a 1977 Atari 2600.