Yes - the latter would provide the appropriate feedback to users … as reinforced by Keith’s comments;
Yes - I’m holding back until this is fixed too … See here to apply some “encouragement” to DxO.
And here, for a collection of UI/UX enhancements that would help to make PLv7 a lot more comfortable and efficient to work with.
I think some of your issues are covered in the list above, Ralph … See links