I don't believe that there is a cross on helipad (Northern most helipad) from which the helicopter departed.
There is a cross on the helipad immediately to the South.
Maybe. Maybe in explaining how complacency can kill (ie, by assuming that the future will be like the past).
I trust you are not suggesting that departing from a piece of ground marked with an “X” absolves other aircraft from their duty to look & avoid.
As far as I understand the ICAO guidelines, the “X” across a helipad signals to third parties that they can’t land there and then blame the operator of the non-helipad when things are not as expected on the ground.
Nothing should preclude the site owner, or his agents, from operating from such site, at pilot’s discretion, like from any router unimproved site.