Unlike many libertarians, who seem to believe that our modern corporate society needs no regulations of any kind, and that the market alone can address all problems, I too am thankful for the resulting laws that led to new safety regulations, as well as a new age of labor peace in which the cloakmaker unions- as they were then called- signed massive agreements with employers that actually guaranteed both productivity and an avoidance of strikes that benefitted industry.
The conditions existing in 1911 hardly are similar to those in the 21st Century United States, although they clearly are more similar to conditions in many Third World countries where much of the manufacturing of clothing now takes place.