Haha, but traders are traders. What they say is mostly an effect of whether their stuff is performing or not.
Asking for software is like a gestapo interrogation - your always not right and in the end all motives are questioned.
We currently migrate everything to the cloud, which breaks many Excels that so far got their inputs from on-prem services or the file system. What could previously be deployed without second thought now requires extensive, decentralized cloud knowledge in each team. Power is taken from the lay business user. What took seconds in VBA now requires a feature request to a dev team.. it's insane.
I'm in HFT so we have software engineers available to our portfolio managers. Everything is in code.
Live strategies are deployed via a script that ultimately ssh to a machine, plops a set of artifacts in from storage, and then runs. But everything needs to restart together.