yes, of course it is a start, but only a start, but this drug is being described as a potential cure, in a manner that suggests it will soon be on the market and many people aare getting hopeful and excited about it, will have their hopes dashed when they realise that any practical drug for prescription is probably at least another 5 years away, and probably much longer.
Too often, for all kinds of intractable illnesses we have these 'breakthrough' announcements, that then prove to be, another step forward, but not the answer to the problem. When people have illnesses themsekves or people near to them do, it is unfair to raise their hopes with these dramatic announcements, kbowing dleivery can be decades away.