It is not just down to the heat of the coil, but also the surface area. As lower ohm wire has a higher surface area it is in contact with a larger amount of juice, allowing it to heat more juice at once, and so produce more vapour.
OK the MVP link went down overnight. But i found it the same price with liquid elsewhere
Innokin iTaste MVP 3.0 Pro | Go-Liquid Ltd UK
It is not just down to the heat of the coil, but also the surface area. As lower ohm wire has a higher surface area it is in contact with a larger amount of juice, allowing it to heat more juice at once, and so produce more vapour.
Think about it why would anyone bother with sub ohming if it made no difference lol