Discovery App and Online not aligned - very liquid but clearly not enough for Discovery Bank

Wanted to open an account but have been declined as I am not liquid enough apparently despite giving them full access to my accounts, All I was looking for was better banking rates and interest really and if their credit card provides better than Nedbank - better still. I have a couple of assets, not debt, I put 50% of my income monthly into an investment account and I am not liquid enough - interesting. I the attempt to challenge their decision and between their App and online cannot get the proof uploaded and viewed - so over them.... All this security and they advise I can send all my personal bank accounts to the credit email address - seriously!!!!!