And those who care, it, and the people who will argue that the sky is really falling, and the earth is really flat, should just be ignored, because trying to convince them otherwise is a lost cause. Proverbs 9:8 & Proverbs 23:9
ExactlyNot every gun needs to be set up for fighting, not every thing you need to put on an ar needs hours of research or experimentation to find out if it "works".
We're still allowed to have fun.
As far as "clones" go, i may be a bit biased here, but if you clone an M4 or M16, you are going to own a replica of the most effective combat rifles ever to be fielded. It may out of date, but you aren't going to be killed in the streets just because you have a quad rail and acog vs mlok handguard and eotech and magnifier mounted 3" off your bore