Because the author hasn't seen the actual study, they've just rehashed something from Reuters/AP/similar and fleshed it out a bit with some more 'India facts'.
Also because, although I agree with you, 99.9+% of BBC visitors don't care and won't click it, and some high proportion of the remainder won't have access to more than the abstract, another will immediately bounce because they clicked accidentally or didn't realise studies had lots of boring words and weren't YouTube videos of exciting lab experiments with white coats, etc.
Also because, although I agree with you, 99.9+% of BBC visitors don't care and won't click it, and some high proportion of the remainder won't have access to more than the abstract, another will immediately bounce because they clicked accidentally or didn't realise studies had lots of boring words and weren't YouTube videos of exciting lab experiments with white coats, etc.