[cowsandmilk]

half the article is basically about working smarter. new machinery that can do the work of 8 men and is much safer than the old manual methods... And the crews using these machines do attract young people. It sounds like the young people joining the industry are just decided to join crews that have greater safety and the latest technology, which means their jobs are less likely to disappear as the technology spreads; in fact, they'll be those with the most experience with new methods rather than those with the least experience with old methods.