No, the effort and rigor required to do good science is beyond what people can acquire by accident. The first research project that people usually do almost on their own is the _PhD project_. I wouldn’t even call undergrads „scientists“ and the projects they do are more scientific than this (the citizen scientists in this case installed boxes with sensors at their place. There is little science in this tbh.

Another exercise: replace „scientist“ with other professions and see whether you would agree that the term makes sense: „citizen software engineer“, „citizen doctor“, …

(I hold a university degree but not a PhD)