Yet there are lots and lots of posts on the internet asking for your "affordable" acrnm alternatives but simply none of them gets it quite on a level like the original. In the end you get something with a very unique design DNA and that is what enables such high price points for them and probably why most people buy it in the first place, with the "functionality" as added benefit.
Also the J1A is not a good example if you want to talk about "innovation" (meaning, completely new products) because it is reworked in iterations for 20 years now. Why not look at the current lineup instead? J82 and J84, very unique and new models, maybe with less "function" in terms of pockets etc. but still a very fresh design you won't find anywhere else. Speaking of functionality, the pockets on the (also new) P35-DS are really something else - you have like 11 of them and most are also really spacious, all of this without looking like a cargo pant at all.
And yes, J1L/J47 and P10 are all nothing new but then again, you can't re-invent the wheel on all models every season. Some people are also glad about re-iterations because they missed previous seasons and don't want to pay premium re-sell on used items.