Union strikes help management reevaluate salary rates and with negotiation and compromise, both management and employee can agree on a suitable and fair wage rates. There will reduced wage inequality.
When and if the strikers return to work, there will be a strain between the members and the management team caused by a strike. The workers hired during the strike can keep their jobs even after the strike is over if the company chooses, which means labor union members will lose their jobs.
Strikes often grew violent
Strikes were often opposed by the public.