Yes, I agree, the theme with overlapping elements should not be placed into production software.
If it were up to me, I would eliminate the "recommended/custom" part completely or convert "recommended" to a "frequently used" section. I would remove "check compatibility". Then I would create three side by side drop down boxes for: Printer - Profile - Material so there is no wasted space without making things too dense.
If someone points me in the right direction in the cura source/tools needed, I would make the changes. I do modeling software and not GUI type software th