The opposite can be a problem as well: a principal or architect who is stuck in their ways or not up to date on the platform will cause a lot of frustration and

The opposite can be a problem as well: a principal or architect who is stuck in their ways or not up to date on the platform will cause a lot of frustration and waste a lot of time. I've seen this unfortunately a few times: highly experienced and generally knowledgeable engineers who are disdainful of mobile platforms and don't feel they need to learn about the details and limitations of the system before pronouncing on technical designs (This especially applies to iOS for some reason IME).