It's too bad that the poll is gone (it is on the old archicad-talk forum), but at least according to Minh this is #11816 in the wishlist database...
I find tabbing fine...but I, too, would like locked elements not to show up in the tab sequence = the original wish of locked being not selectable.
It seems to me (at his moment anyway) that the only reason to 'select' a locked element would be to use it to populate the Find & Select fields... but that can be done with the eyedropper. And speaking of the eyedropper, that could still be used to pick up the tool and element settings even if the locked element could not be selected just by eyedropping over a hotspot... which is a non-selecting operation. Similarly, drawing a selection marquee around elements that include locked elements should just ignore the locked elements. At least that's my interpretation of the 2 year old wish, which I think would be useful. 🙂
And, then the issue of needing to select to unlock... as Tomek said, you untoggle the 'locked elements are selectable/or not' toggle .... which I see as being very similar to the 'suspend groups' button. I could see an icon of a padlock with hotspots around it for the locked items are/are not selectable.
One of the forum moderators • AC 26 USA and earlier • macOS Ventura 13.2.1, iMac Pro 10-Core, Radeon Pro Vega 64