Every task is easy to the person who doesn't have to do it. I usually say this to non-technical people when they ask for a feature that sounds simple to do, in their minds. But the same fallacy is at work if you think that highly paid bankers or consultants have mindless work.

A former banker, have also done freelance consulting work and did an MBA do know lots of consultants. I'm relaying things I've heard from lawyers I've worked with in various roles. Am a hobbyist programmer, been doing 10-20 hrs of coding / week the last 18 months, and interned at a FAANG in business roles tho knew some engineers

The stuff you do in investment banking is at least an order of magnitude simpler than making any useful software. It's basically modifying excel templates and debugging complex models, making slide decks that are 80% template slides, and working on deals that are intellectually challenging on occasion but a lot of it is blocking and tackling and managing processes