@breytak You're putting the cart before the horse.
You're confusing where the stat weights come from and what they're used for.
The Robot doesn't run on stat weights, it runs many, many simulations and works out what's best to use. From a simulation result you can get stat weights, however they're only really useful for that gear set up, change the gear and the weights will change, the bigger the change the worse the weights become.
In the past (still now really) people would take some stat weights from a result and use them in guides or spreadsheets or put them into Pawn for, very rough, item is better/worse than the equipped one by X. (I don't know where Pawn gets it's default stat weights as I've never used it, but from a sim run by someone, will be the answer)
What you should be more concerned about, with stat weights, isn't if the AMR team are "up to date" with them, but more as to how whomever is giving you stat weights is getting them.
More importantly is that you understand the limitations of those stat weights and where they come from.