I admit I've got mixed feelings about this proposed change.
If there would be one flat queue for all potential waymarks, I don't think there would be anyone browsing through it and helping with all submissions. The original poster should at least pick a broader group (Nature / Structures / Business / etc.), then the "categorizer" who is expert in that field could assign it to the right category and do some research on the variables.
Also maybe filtering the orphaned group by country would be useful: then it would be possible to help the local waymarkers with translations.
Anyway, the best thing I like about waymarking is that you can select your own niche and specialize in historical markers, bridges, architecture styles, or whatever you like. If you come upon a waymark in your favorite category, you probably know the info you have to collect. If you pass an object and think "hey, there is a category for something like this", you take photos and mark the coordinates, then at home you find the category and recognize that you didn't collect some necessary information - then it might make sense to submit an incomplete waymark and let the experts in that category do the research on variables.
Similar thoughts on the point system: a flat number mixing chain restaurants and mountain summits doesn't have any value. Badges for top contributors to the category would be cool.