Yes, it's clear. In the Netherlands, already in 2013, the health authorities warned all plastic surgeons about breast implant illness, especially among those patients who have a history of allergies. Another important group of ladies are those who already have an autoimmune disease, or those who have a family full of autoimmune diseases. Those are clearly described risk factors. Of course, we need more research to develop better markers for who is really prone to develop this disease.
Yes, there should be warnings.