If you mean the regional post, sorry I don't read German, so I didn't notice it https://community.openstreetmap.org/t/parken-in-gekennzeichneten-flachen-erlaubt/113946/ 
From translation, I don't see how `parking:*:restriction:conditional=`can co-exist with `parking:*:restriction` nicely for this. `parking:*:restriction=` already refers to the `restriction=` in that `parking:*=` .  Adding other things there over-complicates that. 
Furthermore, this is a travel lane. `=street_side` is deprecated.  This will be treated as `parking=no` if there's no  bay. `* @(parking=no)` is awkward. 
`parking=` is a physical location, that's not the same as conditions. This is akin to suggesting `foot:conditional=* (sidewalk:*)` over `sidewalk:*:foot=` . 
Using `*:lanes=` to refer to lanes seems logical and acceptable. 
It's a common layout around here. You can see here the double solid yellow line continues along the dashed-lined bay on the right https://commons.wikimedia.org/wiki/File:HK_中環_Central_金鐘_Admiralty_龍和道_Lung_Wo_Road_Tim_Wa_Avenue_night_November_2021_SS2_03.jpg