Only the first 38 years of the study were funded by the antis - they saw which way the results were going and so pulled the funding. The researchers wanted to finish the study and so went in search of further funding. unfortunately part of that money, a very small part, came from the tobacco industry.
It doesn't matter to the antis that this was there study that they abandoned because they didn't like the results - as far as they are concerned this is a tobacco industry study and the researchers are tobacco industry stooges.