@Standardinfantry, in agreement that automation or computerisation does cut back on the required manual skill, and also that it does require a higher level of skill in design, however what I was referring to in real life examples was cases where the information is then lost (in cases of staff...
The idea of losing magic ability over easy to use magic tools is similar to the idea of the loss of skill due to automation or computerisation. We already see some real life examples with some infrastructure relaying on old tech that’s no longer covered in teachings but still utilised.
Or if...