Landing lamps ON should be as second nature as raising the collective to lift off. NO EXCUSES. Why wait until you are 'in a high traffic density area' ???? What is the point?
Most readers on this forum don't own their own helicopters so bloody well use them, especially if you're anywhere near me
If it is rotatable, point that one aft and your other (taxi light) fwd. If you have the option obviously. Who cares that you fly everywhere with headlights blazing?
L Lamp and taxi lamp: 8/10
Nav lts: waste of time (day). 1/10
Strobes: 5/10.
Conspicuity colours 4/10
HISL: 4/10
TCAS: 8/10
Altogether: about 7/10 ish, I would say