Yes typical answer from a dealer. Not that they would know without looking it up.
I would hardly call them technicians, they are just mechanics and cannot go far without looking at the laptop or asking their service manager.
If you have tackled the job and asked such a question then obviously you know what you are doing, but aware of pitfalls and asked the question.
Is there a Haynes manual out on that model yet. There are some workshop manuals on this forum you might want to check. Good luck.