> This is a super privileged opinion and wildly out of touch with the less fortunate classes of society.

I roughly remember the unit price

I am not going to remember that last week it was 490g if they silently reduce it to 480g

this is why they do it... because it works

> Also, if you don’t commit to price comparison

I do price comparison at the point of purchase

but I don't remember the price/ml week to week