> You should not modify in other countries.

[citation needed]

> You should write in the changeset. 

I do more of that nowadays

> I do not see how disused makes things easier.

It does not require checking of multitude of tags marking things as "hahaha, it is actually broken".

We have at least disused=yes abandoned=yes, broken=yes  operational_status=out_of_order operational_status=broken operational_status=closed operational_status=non_operational operational_status=non operational operational_status=non-operational operational_status=no operational_status=No operational_status=Non-Functional operational_status=Non-operational operational_status=non opérationnel operational_status=non operational_status=Non-Operational operational_status=non fonctionnel operational_status=non_functional operational_status=Non aperationnel operational_status=Closed,Need repair