Also now seems hard to trust someone handling the "microwallet" thing for big thing, anything can happen.
No it is not, suppose mc Donald launches there own microwallet, You can fund it, e.g 1 btc in it and when the next time you go, you simply pay by the microwallet instantly, They will be in charge of the microwallets so any losses will be covered by them. How is this linked to centralizing? They can withdraw from it when ever they want, It will be bitcoin no Macbit
Of course microwallet is centralized, because the real owner of the bussiness able to control over all of the coins