The article you sent literally confirms what I said. It lists multiple reasons, more dangerous jobs being only one. The rest are mix of lifestyle and genetics.

As for smoking and alcohol, those statistics are easy to find too. Both contemporary and past ones.

Also, article starts with premise that author expects to live shorter then his wife - but he has extraordinary safe job.

The smoking and alcohol are copes for stress that they wouldn’t have without the added risk to their health and emotional well being.