No. Git is not a web-based GUI capable of managing users and permissions, facilitating the creation and management of repositories, handling pull requests, handling comments and communication, doing CI, or a variety of other tasks that sites like Codeberg and Forgejo and GitLab and GitHub do. If you don't want those things, that's fine, but that isn't an argument that git subsumes them.
No. Git is not a web-based GUI capable of managing users and permissions, facilitating the creation and management of repositories, handling pull requests, handling comments and communication, doing CI, or a variety of other tasks that sites like Codeberg and Forgejo and GitLab and GitHub do. If you don't want those things, that's fine, but that isn't an argument that git subsumes them.