How is it not? Their relationship with banks is a direct result of their willingness to demonstrate regulatory compliance, and that appears not to have been a priority for Binance until just a few days ago.

https://www.binance.com/en/blog/ecosystem/binance-moves-forw...

When offering financial services in a country, it behooves the vendor to set up a relationship with a local bank. Any legitimate money services business will do this, because otherwise they wouldn't get a single customer.

Crypto exchanges don't seem to have this issue because they know their customers are trying to dodge taxes anyway, so they can claim that obstacles to off-ramping to fiat (like having no banks to work with) are a feature.