Some groups have 1 engineer working on code. SCM doesn't help too much 1 engineer.
But that said (most groups have multiple people) people who don't use SCM tools are not doing professional work. They can do it this way but they should not be PAID.
Too much 'I don't wanna'...
Drones are, in essence, flying autonomous vehicles. Pros and cons surrounding drones today might well foreshadow the debate over the development of self-driving cars. In the context of a strongly regulated aviation industry, "self-flying" drones pose a fresh challenge. How safe is it to fly drones in different environments? Should drones be required for visual line of sight – as are piloted airplanes? Join EE Times' Junko Yoshida as she moderates a panel of drone experts.