As an open source maintainer, this is what I would consider a slippery slope. Sure, this one is well-specified and "not that complex" until N years later there

As an open source maintainer, this is what I would consider a slippery slope. Sure, this one is well-specified and "not that complex" until N years later there are 30 compile-time flags for all sorts of vendor-specific features and a new CVE every week from the massive increase in highly-use-case-specific code to maintain.