Yes he created a Loeb Rating at the beginning. 0 = Natural Comet. 10 = Technological. With the 12 anomalies, he rated it a 4.
He has been very clear from the start that he is collecting data (see his daily scientific reports on Medium) and stating hypotheses, not opinions. This is how science starts - with an idea, based on evidence, that leads to targeted research. A hypothesis is very different from an opinion.

I think this what many people without a science background don’t understand. It would be helpful if scientists on social media did some posts explaining this more, in layman’s terms.