And you don't care if a malicious party compromises the development machine on which it runs? I can think of a whole lot of really damaging things that somebody

And you don't care if a malicious party compromises the development machine on which it runs? I can think of a whole lot of really damaging things that somebody could do running arbitrary JavaScript code with user-level privileges on thousands of developer workstations. With various CI setups and some server-side rendering configurations, there are potentially scenarios where build tooling actually do run in environments where there are higher risks, though it's not as applicable in this specific case.