My academic background (or present in fact) pushes me to have my claims as cited as possible and you cannot do that in few sentences.
I thought I answered this in my reply quite well. Warranty isn't something that falls out of the sky - Jolla is not a HW company anymore, so they can't provide it. Intex doesn't have the infrastructure yet so they decided not to.
However, when you are criticizing that it is a developer programme, but it is open to everyone, how would you choose just the "real" developers?