Once again, your understanding of this is based on single anecdotal experiences.
In a thriving economy, there will be multiple underdogs, all competing for different segments of the market. Each one of them will eat market share - which will lead to UPS losing some customers at first. Then, if they can keep nibbling at the market share until they keep acquiring more customers.
In a thriving economy, there will be multiple underdogs, all competing for different segments of the market. Each one of them will eat market share - which will lead to UPS losing some customers at first. Then, if they can keep nibbling at the market share until they keep acquiring more customers.