Kiwibank's Facebook page has been flooded with complaints.
The AM Show was joined by economist Cameron Bagrie.
TSB was told in 2019 it "continued to show inadequate and ineffective compliance with its AML/CFT obligations", the Reserve Bank said.
An internal review found about 2000 monthly transactions containing problematic use of payment reference fields.
Five KiwiSaver providers have been stripped of their default fund licences.
"We'll definitely remain here under any scenario."
It comes after the Reserve Bank raised concerns about its risk governance processes.
The Reserve Bank (RBNZ) has ordered Westpac New Zealand to hold more cash.
"A corrupt and failing financial system robs the poor and deprives the whole world."