Comment # 22 on bug 1004830 from Michal Suchanek

And if it had proper desktop file it would be started when accessed.

Even GNOME people are not as asinine as to not considering that a problem and
actually added the desktop files for gsd so don't be worse than them.

Anyway, looking at

145         if (self->priv->has_airplane_mode == FALSE) {
146                 g_debug ("No Bluetooth available");

the condition evaluates to true when you have no gsd and I do not see how
having airplane mode is required to use a bt device. So however you look at it
the code is bogus for either case.