Call centres are seen by company accountants as a way of maximising customer contact, with minimal staffing levels - hence the wait.
This situation is compounded by the fact that most call centre operatives are woefully under-trained, and thrust on-line with the bare minimum of knowledge and experience.
They tell you the answer to your problem in good faith, based on what they perceive to be a solution, which, as everyone knows, is often vastly different from what the person sitting next to them would say.
The final nail in the coffin of actual service, is the extremely high turnover of staff - the abuse they suffer from lack of experience and training means they leave before gaining significiant amounts of either - and so the entire Catch-22 nightmare rolls on.
It's inefficient, it causes stress, it doesn't work - it;s the call-centre mind-set but .... ta-dah.... it's CHEAP!!!!
So what was your problem again?
Click bbbrrrrrr........