I think the point in discussions like these is, what is the alternative? Ie, add value to the discussion, not argue over semantics. Arguing that everything (or this thing) sucks is.. non constructive. What do you see as better alternatives?

I agree completely, the clipboard is non-trusted. Yet the fact remains, how can we transmit an arbitrary string from a secure app like a password store, to another app in need of authorization? Lets build constructive conversations.