I agree it is kind of confusing, maybe indicative of how tight/competitive things are getting in the accessory market.
The only Geissele stuff I religiously use are/were their carbon steel Super Gas Blocks which they offered on the ALG website. I also have used numerous ALG rails on builds over the years. They no longer offer the carbon steel version, only the black stainless steel version at double the price. Don't know why they quit offering the carbon steel version.
While it is true that you get what you pay for, I think that very often we tend to pay for more than we actually use. As the guy from Gideon Optics said on a video - by all means if you are locking out of submarines and making beach insertions, going from minus -40 degrees to +80 degrees on a HALO, buy an aimpoint or an eotech, if you aren't doing that, consider ours.
Additionally, that sight built into the top of the housing is worthless and hokey looking.
Outside of armed conflict with first tier militaries or police departments, I'm pretty sure most folks get dirt-napped by what we would call hobby grade stuff than by Tier 1 gear:
Attachment 116733