The OP was talking about developers serving the needs of developers, and the ratio involved there. This is different than developers serving the needs of machin

The OP was talking about developers serving the needs of developers, and the ratio involved there. This is different than developers serving the needs of machines (fifty developers to some arbitrary number of machines is not automatically impressive) or developers serving the need of users. One would expect the ratios involved to be different for all three and highly context-specific.