[Ilverin]

The article the commenter linked is almost entirely about debit cards. The bank has to make money somehow to pay for things like fraud and auditing.

[rhyswallace]

In the EU, debit cards (with EU-capped interchange, and no debt mechanism) are the majority, and there's nothing that points toward that limiting low-income populations' access to banking or card networks.

Can't speak here for entire EU, only France, but opening a bank account or getting a basic debit card requires no minimum proof of income, and typically have no fees associated. No financial barrier to entry for any population segment.

[HDThoreaun]

There are plenty of ways for banks to make money off poor people. Some banks might defect, but the banking market is competitive, others will step in.

[coding123]

Make money on savings interest and mortgages?

[denimnerd42]

which poor people don't have