Moving non basic packages to openwrt packages

Hi,
you developing here a "base system". Brilliant work also in the past as OpenWrt. Thank you.
If I understand projects philosophy correctly you will concentrate on hardware, networking and software packaging and updating.
I'm still wondering why i.e. ca-certificates, samba, curl and some other packages are still part of the project and not moved to OpenWrt packages tree as they are not needed for base functionality.