After a closer look - I must agree. On the other hand, with more projects implementing bash scripts or using Docker for easier installation, maybe there's a way

After a closer look - I must agree. On the other hand, with more projects implementing bash scripts or using Docker for easier installation, maybe there's a way to make self-hosting easier without such dedicated apps. Hosted services will always offer more convenience. If the price is fair, they are likely better options in general.