Since we are not active in the market, there is no relevance in this context to the question of how large our foreign-currency reserves are. BIS Review 34/2001  b.
This line of thinking disregards the risk-return trade-off and the fact that banks can raise their productivity and efficiency levels to protect their ROEs, at least partially. It is hoped that when investors see a much more stable and safer banking system they would be willing to supply capital at lower returns.