If you just look at the whole thread, you'll see a higher-level comment noting that in some countries, all banks require the same proprietary Android, and so "switching banks" is not a solution. Your suggestion was tone-deaf as it so often is.
You are probably right, although a number of Europeans on HN confirmed that it's possible to fix this by switching banks. Thanks for the remark. It would be helpful if you could name the country, so I (or somebody else) could verify or disprove your claim.