Ruby developer Julik argues that AI creates more opportunities to implement missing functionality in an existing ecosystem rather than move to another language. Citing PDF tools and the pure-Ruby Parquet library herringbone, he explains that API design still required repeated review despite faster code production. The accompanying repository supports Parquet reading, writing, and streaming access. The post’s statistics on new gems are estimates with some noise filtered out; they do not establish higher package quality or growth in the number of new developers.