Is it technically difficult to implement systematic changes that items can be locked for selling to shop/registering as team point/etc? I have done several times selling my hit vulcans to shop unintentionally, and also contributed my Hell ES needle to my team by mistake. I am not sure how...
Although for most ppl it is so, some ppl actually use DF shield as their shield. For those ppl, high status one will be more valuable than low status ones.