I didn't believe such conspiracy theories, until one day I noticed Sonnet 4.5 (which I had been using for weeks to great success) perform much worse, very visib

I didn't believe such conspiracy theories, until one day I noticed Sonnet 4.5 (which I had been using for weeks to great success) perform much worse, very visibly so. A few hours later, Opus 4.5 was released. Now I don't know what to think.