Fact
In 1997, one tobacco company CEO said he would probably "instantly" shut his doors "to get a better hold on things" if it were proved to his satisfaction that smoking causes cancer. That same company now admits on their website that smoking causes cancer, but they're still open for business.
Source 1:
"In the Fifteenth Judicial Circuit Court in and for Palm Beach County, Florida Case No. CL 95-1466 AH The State of Florida, et al., Plaintiff, Vs. The American Tobacco Company, et al., Defendants. Deposition of Geoffrey C. Bible Taken at the Instance of Plaintiffs." Truth Tobacco Industry Documents. 21 Aug. 1997. Deposition.
https://industrydocuments.library.ucsf.edu/tobacco/docs/#id=nskv0073
Source 2:
Home - Philip Morris USA. Altria. 2016. Web.