@n900user259: Sorry, yes I completely mixed up that first point (and described the scenario of a SailfishOS update silently uninstalling RPMs).
And technically your assessment is absolutely correct.
But as Warehouse is third party software, one cannot blame the Jolla company for that (and I do not dare to blame the spare time developers on Openrepos.net, as I am very thankful for all the useful software they create).