Yeah. A pervasive poor abstraction can be painful, but in my own experience most misguided abstractions tend to be somewhat superficial and easy to unwind. It d

Yeah. A pervasive poor abstraction can be painful, but in my own experience most misguided abstractions tend to be somewhat superficial and easy to unwind. It does worry me to see so much rhetoric in the wider programming community encouraging people to avoid abstractions, because this is the kind of lesson that is easy to imprint on newcomers -- but I suspect the easiest way to get good at them, is to do them badly a few times.