Why unity-control-center requiers installation of so many other packages?

sudo apt-get install unity-control-center
Czytanie list pakietów... Gotowe
Budowanie drzewa zależności       
Odczyt informacji o stanie... Gotowe
Zostaną zainstalowane następujące dodatkowe pakiety:
  account-plugin-ubuntuone content-hub fonts-droid grilo-plugins-0.2
  grilo-plugins-0.2-mediascanner gsettings-ubuntu-touch-schemas
  gstreamer0.10-pulseaudio indicator-network libandroid-properties1
  libboost-locale1.54.0 libcanberra-pulse libcapnp-0.4.0 libcontent-hub0
  libgflags2 libgoogle-glog0 libgrilo-0.2-1 libgsettings-qt1 libgupnp-av-1.0-2
  libhybris-common1 liblucene++0 libmediascanner-1.0-1 libmirclient4
  libmirplatform libmirprotobuf0 libmirserver11 libofono-qt1
  libonline-accounts-client1 libpgm-5.1-0 libpulsedsp libqdjango-db0
  libqmenumodel0 libqt5systeminfo5 libsystemsettings1 libtracker-sparql-0.16-0
  libubuntu-application-api-mirserver1 libubuntu-location-service0
  libubuntu-platform-hardware-api1 libubuntudownloadmanager1
  libubuntuoneauth-2.0-0 libunity-api0 libunity-control-center1 libunity-mir1
  libunity-scopes0 libunwind8 libupstart-app-launch2 libusermetricsoutput1
  libzmq3 libzmqpp3 mediascanner packagekit-tools pulseaudio
  pulseaudio-module-x11 pulseaudio-utils python3-gnupg qmenumodel-qml
  qtdeclarative5-dee-plugin qtdeclarative5-folderlistmodel-plugin
  qtdeclarative5-gsettings1.0 qtdeclarative5-systeminfo-plugin
  qtdeclarative5-ubuntu-content0.1 qtdeclarative5-ubuntuone1.0
  qtdeclarative5-unity-notifications-plugin sqlite3 system-image-common
  system-image-dbus ubuntu-download-manager ubuntu-keyboard-data
  ubuntu-mobile-icons ubuntu-system-settings
  ubuntu-system-settings-online-accounts ubuntu-touch-sounds
  ubuntuone-credentials-common unity-plugin-scopes unity-scope-click
  unity-scope-mediascanner unity-scope-onlinemusic unity8 unity8-fake-env
  unity8-private usermetricsservice
Sugerowane pakiety:
  pavumeter paman pavucontrol paprefs pulseaudio-module-raop
  pulseaudio-esound-compat sqlite3-doc
Następujące pakiety zostaną USUNIĘTE:
  gnome-control-center gnome-control-center-datetime
  gnome-control-center-signon gnome-control-center-unity
  webaccounts-extension-common xul-ext-webaccounts
Zostaną zainstalowane następujące NOWE pakiety:
  account-plugin-ubuntuone content-hub fonts-droid grilo-plugins-0.2
  grilo-plugins-0.2-mediascanner gsettings-ubuntu-touch-schemas
  gstreamer0.10-pulseaudio indicator-network libandroid-properties1
  libboost-locale1.54.0 libcanberra-pulse libcapnp-0.4.0 libcontent-hub0
  libgflags2 libgoogle-glog0 libgrilo-0.2-1 libgsettings-qt1 libgupnp-av-1.0-2
  libhybris-common1 liblucene++0 libmediascanner-1.0-1 libmirclient4
  libmirplatform libmirprotobuf0 libmirserver11 libofono-qt1
  libonline-accounts-client1 libpgm-5.1-0 libpulsedsp libqdjango-db0
  libqmenumodel0 libqt5systeminfo5 libsystemsettings1 libtracker-sparql-0.16-0
  libubuntu-application-api-mirserver1 libubuntu-location-service0
  libubuntu-platform-hardware-api1 libubuntudownloadmanager1
  libubuntuoneauth-2.0-0 libunity-api0 libunity-control-center1 libunity-mir1
  libunity-scopes0 libunwind8 libupstart-app-launch2 libusermetricsoutput1
  libzmq3 libzmqpp3 mediascanner packagekit-tools pulseaudio
  pulseaudio-module-x11 pulseaudio-utils python3-gnupg qmenumodel-qml
  qtdeclarative5-dee-plugin qtdeclarative5-folderlistmodel-plugin
  qtdeclarative5-gsettings1.0 qtdeclarative5-systeminfo-plugin
  qtdeclarative5-ubuntu-content0.1 qtdeclarative5-ubuntuone1.0
  qtdeclarative5-unity-notifications-plugin sqlite3 system-image-common
  system-image-dbus ubuntu-download-manager ubuntu-keyboard-data
  ubuntu-mobile-icons ubuntu-system-settings
  ubuntu-system-settings-online-accounts ubuntu-touch-sounds
  ubuntuone-credentials-common unity-control-center unity-plugin-scopes
  unity-scope-click unity-scope-mediascanner unity-scope-onlinemusic unity8
  unity8-fake-env unity8-private usermetricsservice