Yes they can be trained up but a mechanic working on a car will never understand all of the undocumented design decisions that went into its production. They un

Yes they can be trained up but a mechanic working on a car will never understand all of the undocumented design decisions that went into its production. They understand the what but not necessarily all of the why. Not only that but like you say it isn't a popular path meaning you aren't getting a broad (or deep) talent pool.