Earlier quoted context omitted.
A lot of people are assuming the worst intentions here but anyone who has worked in an enterprise knows sometimes it's useful to build tools for your use and not to share. The tool might not even be allowed, C# is probably not in the supported platforms and even if it was, getting it into the official repos can be arduous. If OP really cared about maximizing everyone's productivity of course they would share the tool…
Increasing productivity never lays people off, unless the people were originally being unproductive. That's a dumb understanding of economics and even management. Also, scaling tools to more than one user is incredibly hard. Software development is still custom / art. This tool works because it is suited to OPs workflow and his "way of thinking". In order to make it work for others, it needs lots of improvement and g…
Also, your assumption about tooling is 100% incorrect as I myself have written tooling that was saving an org 35k a day, in a single market.