Maybe popular, but from the several scandals surrounding that bank in the last few years, you should have changed bank long ago.
(Most recently laundering Russian oligarch money iirc)
(Most recently laundering Russian oligarch money iirc)
Ordinary consumers don't give a damn about shady dealings of their banks, mostly because unlike phone numbers bank account numbers are not portable. Yes there exist regulations that banks have to assist with direct debit and automated order migration, but it's nevertheless a hassle to switch banks.
[1] https://www.t-online.de/finanzen/news/unternehmen-verbrauche...
This paragraph probably can be contested, if done in advance of signing the agreement, but if every other bank you approach have such a condition (to be fair, the only other bank I approached was SEB, also Scandinavian bank) spending time on arguing about trivialities while selling my soul to get an even worse rate did not seem like a worthwhile pursuit.
I don't think any banks here allow you just to have a mortgage agreement without an account at them- they deduct the monthly payment automatically. It might be possible with other types of loans, but I don't think it can be done with mortgages.
If you try to find a bank that isn't filled with criminal minds, you will never find one.