> What is 'interesting' is that I don't see any gnome program 
> except gnome-terminal that needs that workaround

In case of running programs over ssh, every gnome program that I
tried is affected by this bug. For example nautilus:
$ nautilus

(nautilus:8367): Eel-WARNING **: GConf error:
  Failed to contact configuration server; some possible causes are that you need to enable TCP/IP networking for ORBit, or you have stale NFS locks due to a system crash. See http://projects.gnome.org/gconf/ for information. (Details -  1: Failed to get connection to session: Failed to connect to socket /tmp/dbus-SmPGlbnjCX: Connection refused)

(nautilus:8367): Eel-WARNING **: GConf error:
  Failed to contact configuration server; some possible causes are that you need to enable TCP/IP networking for ORBit, or you have stale NFS locks due to a system crash. See http://projects.gnome.org/gconf/ for information. (Details -  1: Failed to get connection to session: Failed to connect to socket /tmp/dbus-68o2xY0A4a: Connection refused)
GConf warning: failure listing pairs in `/apps/nautilus/preferences': Failed to contact configuration server; some possible causes are that you need to enable TCP/IP networking for ORBit, or you have stale NFS locks due to a system crash. See http://projects.gnome.org/gconf/ for information. (Details -  1: Failed to get connection to session: Failed to connect to socket /tmp/dbus-653EukrRMz: Connection refused)GConf warning: failure listing pairs in `/desktop/gnome/file_views': Failed to contact configuration server; some possible causes are that you need to enable TCP/IP networking for ORBit, or you have stale NFS locks due to a system crash. See http://projects.gnome.org/gconf/ for information. (Details -  1: Failed to get connection to session: Failed to connect to socket /tmp/dbus-7PdDqACLDB: Connection refused)GConf warning: failure listing pairs in `/apps/nautilus/desktop': Failed to contact configuration server; some possible causes are that you need to enable TCP/IP networking for ORBit, or you have stale NFS locks due to a system crash. See http://projects.gnome.org/gconf/ for information. (Details -  1: Failed to get connection to session: Failed to connect to socket /tmp/dbus-v4zT60f1OD: Connection refused)GConf warning: failure listing pairs in `/apps/nautilus/icon_view': Failed to contact configuration server; some possible causes are that you need to enable TCP/IP networking for ORBit, or you have stale NFS locks due to a system crash. See http://projects.gnome.org/gconf/ for information. (Details -  1: Failed to get connection to session: Failed to connect to socket /tmp/dbus-W31BvrdFGB: Connection refused)

[etc... and crash]

$ gnome-calculator 
GConf Error: Failed to contact configuration server; some possible causes are that you need to enable TCP/IP networking for ORBit, or you have stale NFS locks due to a system crash. See http://projects.gnome.org/gconf/ for information. (Details -  1: Failed to get connection to session: Failed to connect to socket /tmp/dbus-XL6x5ZWna8: Connection refused)

[etc... and crash]

I remeber that i tested also epiphany and update-manager, neither of them works without the above
workaround.