Last time as a SFO-hub , UPS delivery driver about 20 years ago.
The private co. stock buying manager told me to drive in Winter rains without computer way back then and With 3 thin, Lincoln penny test, tire treads; the Teamsters were no help. Often in the Xmas rush and if you were a little late the day before, the nightshift loaders and managers would "toss" your load leaving a huge messy pile more than half filling the brown truck; Again, Teamsters Union was no help. UPS would give you painful crude rough cloth uniform to start and fire you for one mistake; Again ,no help from Teamsters. Drivers are now allowed to buy stock ,since the co. went public with a huge IPO. Every Teamsters meeting seemed about more theft and misuse of dues, even from the SF hub !!
The first time was as a Yosemite National Park shuttle and tour bus driver , way back in the 1970s. We had a very abusive dispatcher, Joe Westmoreland, and a very abusive company as lead/major park Concessionaire in MCA after the Curry Family sold out. The 2 greasy weasel Teamsters Union reps from the Central Valley ,when asked for enforced fair work rules, told us all to "sit down and shut up! ! We do Not represent you ! You will do exactly as we say and you will be lucky to get anything, and may lose, during this Negotiation period !" They went over to the main office by the Village Store and had cocktails with mgmt and a good laugh at us, our spy said. MCA sold C. rights to horrid Delaware North of New York who kept the names "Ahwahnee" Hotel and "Curry" Village, by NPS incompetence! Now DN-NY has sold to Aramark, the company kicked out of Muir Woods National Monument for very unsanitary food cafe practice of guest food and floor litter handling without gloves or hand washing! Atrocious !
The Feds took over the Teamsters for very good reason; Unfortunately for all Teamsters workers, it did not clean up the Teamsters Union, at all.