I believe actually there was EU regulation that forced this... When Monzo made EU withdrawals completely free (again), they said > After a change in EU regula

I believe actually there was EU regulation that forced this... When Monzo made EU withdrawals completely free (again), they said > After a change in EU regulation on cross-border payments we've decided to remove ATM fees and limits for countries in the European Economic Area (EEA). This means in all EU countries (and a few more) your cash withdrawals are now free! You can see the full list of countries here.