Surely everyone working on codebases large enough to require package management has the flexibility to make unilateral architectural decisions and re-solve problems a battle-tested library already solved, having mitigated all of the counterintuitive edge cases and security holes you haven't discovered yet. Well, maybe not, but please, please don't let reality discourage you from vigorously patting yourself on the back for not being stymied by limitations that weren't imposed on you.