They get cheap fast because the reality is they're made like crap. I recently burned out (the power circuit of the motherboard burned out, despite the fact that it never overclocked) a Thinkpad 12 years ago, despite the fact that a gaming laptop from MSI 15 years ago is still working ...
No one wants this crappy "business" overpriced rubbish. If the product is reliable, it is highly valued - business solutions have long become worthless rubbish in terms of reliability, in which the price is greatly inflated initially, which proves the fall in prices later.
And CAMM modules are just an attempt by Western capitalists to cynically change the rules of the game when conventional modules have become too cheap and do not bring them profit. And nothing more. There will be no progress there. Moreover, distant chips on such a block will have greater delays than those closest to the connector. This is a priori an idiotic decision, made only in order to change the rules of the game and throw into the trash all the stocks of conventional DDR4/DDR5 accumulated in the world.
The AMD 7945HX has 28 pci-e 5.0 lanes, each link is 4GB/s. 28 x 4 = 112Gbyte/s. The memory of the 7945HX does not even reach 100 GB/s. At the same time, it is empirically known that in order for the system to respond normally and everything to work easily without lags, the speed of RAM is 8-10 times greater than the load from peripheral devices on the system buses requires. So the memory speed for the 7945HX should be at least 900GByte/s-1TByte/s. The question is - what kind of RAM is capable of providing such a data transfer rate today? Only HBM memory! Which is installed in top-end video cards. And it should already be in EVERY modern laptop! Even on ordinary i3-i5, because the speed of RAM has long been a bottleneck in the system! This is easily proved by the sharp growth of L1-L3 caches in processors. =)
Obviously, HBM memory with a 512/1024 bit bus requires very complex connection sockets at the processor level or direct wiring on the motherboard.
Therefore, CAMM modules are complete nonsense and will not give any real progress.