100 peso notes (false friends)

I don't understand why people complain about the 100 peso note syndrome - that shops and kiosks don't have the change to take one so you can only use it to buy things for over 30ish pesos and the banks won't give you anything smaller. I love having the excuse of having to spend money: don't really need that bottle of wine/moisturiser/completely useless item for the kitchen, but oh well, if I have to.....