Not randoms. People commenting on the article you shared and yes other articles with similar takes. The article you shared accuses/implies Boston University was doing a gain of function study, or in other words trying purposefully to make a deadlier virus. They are not. They are working to understand it better so they can stop it.
The original strain killed more mice actually then this "new" mix of the original and Omicron.
This article and others like it are making it sound like they are concocting a new variant and it's going to get out. It's fearmongering.