Hi silversurfer83 :)

Firstly, thanks for these guides, these are super helpful!

The organisation but doesnt apply to us. 'We' are not an organisation, we do not earn or give any money out of this. We are just a local community working with students from many places and there is a lot of good exchange of information and data we have that we would like to help the community with. This is just contributions of another form from people like you and me who love to do this as a hobby and goodness :) For e.g. I also have a lot of good information about cheap places where students eat in a lot of countries but i checked this and a lot of these places are already marked on OSM and since reviews/opinions etc are not allowed, i did not put them.

The information you provided on the changeset sizes is extremely helpful. I will be sure to follow these in the future.