gaw – Most of what you mentioned aren’t kulahs, they are called “Moirah Heter”.
Exactly the point, and why they are paralell to Chumras without basis.
Rav Moshe’s mirsas hetter on cholov stam applies to any civilized country with laws similar to the US.
If the laws and checks are researched, compliance is measured, and the Poskim in that country say so, then yes. Otherwise, don’t assume anything.