No, this is by far not all you need. There are multiple other signatures besides its profile and material that emanate to/from a UAV, all are detectable. What you wrote is correct in part, but much of that has been overcome and there are other elements to consider that we won't be getting into here. This is an extremely high stakes technology game, and there are some really good and capable types working on all aspects of these weapons systems and counter systems. The pace of cat/mouse is simply incredible.I'm kinda surprised that it has taken so long tbh. The bar for entry is super low. Basically any comp sci/software eng student with an AI interest and who isn't completely terrible at maths is all you need. Basically all the building blocks are out there in ready to use forms.