So, by that logic, why would you want a HK93? It's not a "real" HK33 either, just a look alike that doesn't even function the same. Like buying a Ferrari that only has 4 cylinders.
I will convert and modify my guns legally however I like it, I don't need anyone on their high horse telling me otherwise. If I decide to sell it, it'll be represented accurately and the buyer will appreciate the attention to detail. Whatever the next owner does with it is his problem, I'm not going to nanny someone else's action.
As for people that don't do research before they buy? Again, that's their fault not mine, I'm not going to let that change how I want to enjoy my guns.