I won't mention any particular companies here, but I know we've all had this; waiting on hold for what feels like eternity trying to sort simple issues. I saw this on another thread yesterday and it really chimed with me, as I feel most big companies are going the way of the automated check-out by cutting workforce. This puts extra load onto those who stay with no benefit and aims to make complaining so hard customers don't bother and give up - a win-win for the big guys. It invariably results in increased anger, encourages poor service and lower value product for all. So, there's my pre-ramble!
Here's the link https://www.moneysavingexpert.com/report-high-call-volumes/