I don't actually think they are supporters of TTF. Certainly not the treatment itself. I invite any of 'them' to come on and say if they do support it (in terms of efficacy). There won't be many takers!
Stupp actually went more over the top than you suggest..
"These results are spectacular," said Dr. Roger Stupp, M.D., Director of the University Hospital Cancer Center at the University of Zurich, Zurich, Switzerland and EF-14 Principal Investigator. "A new standard of care for patients suffering from glioblastoma is born."