Yes, you are totally correct: Many of those YouTube roofing videos look extremely dangerous.
It would not take much if you paid more attention to the camera than the roof to have a serious
fall. I doubt if many of those involved with those videos are using proper at height safety
Yet, I would without question pay a premium price if I were provided with unequivocal evidence
that the nailing was done with precision.
Rewarding innovation leads to a market with better quality products.
Some simple electronics within the nailing gun could achieve this which would have no
impact on nailing performance nor worker safety. The GAF video that I watched noted that
various nailing problems can result in poor quality roofing jobs and it is in fact the largest
problems of roofing. One of the most important that they mentioned was “high nailing”.
This could lead to shingles loss during windy weather.
As a consumer there is no possible way now for you to have complete certainty that every nail
was placed correctly or if there were a mistake that it was fixed. Some workers obviously would
not care. A consumer could always look from the attic side though this would not be a complete inspection.
Innovation can lead to better products.