When there is a platform, or critical infra as an obstruction then this is unreasonable. Arguable a DIY search engine is impossible on the scale of google beca

When there is a platform, or critical infra as an obstruction then this is unreasonable. Arguable a DIY search engine is impossible on the scale of google because, aside from CPU power and storage, goog gets privileged indexing access. Everything else seems reasonable to DIY.