nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqw0h29g47254sgmjuaza0qj6cmvwd6qs9rffjyt34a4xs37rfu0ssu238vg (nprofile…38vg) I think you are 100% correct on your assumption: no, it won't move the needle at all
But, personally, I fail to see how that's a good reason enough not to follow that path and drastically reduce the amount of metadata as any step towards that direction can only cause beneficial results for the whole ecosystem regardless of the impact on the adoption rate.
And, as a matter of fact, at least 3 of the points you described on your technical details should probably be already implemented.