But when your boss has never even made a model, let alone tried to fish data out of a database, then the kind of work he can imagine, his idea for time duration

But when your boss has never even made a model, let alone tried to fish data out of a database, then the kind of work he can imagine, his idea for time duration for work are all off. More importantly, what he values in the team (for when it comes to promotions) is also likely to be off. And hence, you can end up in a situation where you don't get promoted despite being very good at your job.