I went too far the other way. Concurrent things just fit my brain so well that I created systems that made my coworkers have to ask for help. One that still sticks in my mind after all these years wanted to ask me to knock it off but lacked the technical chops to make it a demand. But I could read between the lines. He was part of my process of coming around to interpreting all questions as feedback.
There’s about 20% of reasonable designs that get you 80% of your potential, and I’m a world with multiple unrelated work loads running in parallel, most incidental inefficiencies are papered over by multitasking.
The problem is that cloud computing is actively flouting a lot of this knowledge and then charging us a premium for pretending that a bunch of the Fallacies don’t exist. The hangover is going to be spectacular when it hits.