Nobody has claimed otherwise.
Regarding the Lites, yeah that may be true, but it's just as spec grid environment to cater the business of the Don (Elan = Panoz) as Deltawing is, so the weight is irrelevant.
Even CN is better modern example. But ACO doesn't really like them, even if they (for now) let them in for ASLMS. They have criticized them for poor safety and all. And of course, they are the product of external source - and as the GTE/GT3 debacle shows, that's not what ACO fancies
Anyway, we're getting bit off the track here now.