Vodcom total lack of capacity

Today I have spent over 45mins trying to rectify incorrect charges on my business account.. In April 2020 I deactivated my international roaming and received confirmation from Vodacom in this regard. Notwithstanding I received my latest account with international call charges from the Botswana tower for calls made when I was in SA? They had not deactivated international roaming even though they had confirmed? OK - so I spoke to A lady and after 30mins I could still not get any headway. I phoned in again and spoke another lady who finally managed to help- what a ABSOLUTE mission. Who has got 45mins to spend on the phone to sort out such a seemingly small problem - just re-credit the account - is it really so difficult? Vodacom should train their employees to understand simple scenarios like the one above - and give a better service. There appears to be a lack of capacity to do the job at hand - an absolute ridiculous situation more especially when you consider that the company is pivotal to business in SA. What an absolute disgrace...frightening....don't trust at any level