Labor Unions are dinosaurs

Question:
Is the quote, “labor unions are dinosaurs that have outlived their usefulness in today’s knowledge-based economy,” a valid judgement on the issue of organized labor today? Why or why not?
RESOURCES:
https://www.ted.com/talks/auret_van_heerden_making_global_labor_fair?utm_campaign=tedspread–a&utm_medium=referral&utm_source=tedcomshare
https://youtu.be/wP3kYx40IS4