Were Software Engineers blue-collar workers all along?

Automated excerpt

There’s a common idea among economists that you can broadly split employees into two categories. “White-collar” workers are typically people who work in offices doing service-based, knowledge-based, managerial, or administrative work; “blue-collar” workers generally do manual labour or perform skilled trades. Our work requires advanced training or education. Builders, plumbers, carpenters, electricians, miners, maintenance engineers, warehouse workers etc.

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