SARS is bullying it’s tax payers when refunds are due

Good day

I will like to find out rather be explain to, how does SARS treats its tax payers when coming to refunds, I submitted my returns with my new banking details due covid you can’t go to they office, a consultant from the Vaal region gives me a call a very nice lady, verified all was uploaded into they system and send to they head office in alberton and she was happy with the documents requested, few days later I get an sms from SARS saying I will get my refund within 10 working days, they busy verifying my new banking details , meaning they acknowledge receiving my banking details,7 day due to the deadline they told me I must send again my banking details to be verified again and I have to another 21 working days to wait, this honestly repulsive to unexplainable degree how SARS treats us like we nothing and they can’t be accountable for they mistake from they side, my audits as done , and I waiting more than a month for that, the day my refund was due they revised it due to new banking details , they called me and give me a reference number for the call, now they can’t refund my funds again. This is truly unfair and very unprofessional