If they do serious financial work I for sure hope they do not use Excel or any other spread sheet tool. It can go wrong so many ways.
If you think spreadsheets aren’t used in serious finance, you’re going to be very disappointed if you ever have to work with that world.
Oh friend, if only you knew.
Not only that, software nerds are rediscovering that they can build so much in Excel. You don't need an app for everything.