Setting the amount of RAM supported by the processor, ignoring the limitations of the motherboard?

Question

RAM

In the specifications for motherboards, they write about the limitations of supporting the maximum amount of RAM (on my board, the maximum amount of RAM is 24 GB). But, there is a controversial issue about limiting the total amount of RAM, because. write that the RAM controller was removed from the motherboard to the processor:

AMD was the first to remove the memory controller from the chipset and move it to the processor. This was implemented in 2003 with the release of Socket 754. Intel followed this idea in 2008 with the release of the LGA 1366 interface. With
the LGA 1156 platform, Intel went even further by moving the main graphics controller (PCIe 2.0) to the processor, and then releasing dual-core processors LGA 1156 with a built-in graphics engine, which used to be found in "budget" northbridges.
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Previously, the memory controller was located in the motherboard chipset. The data exchange between the processor and RAM took place as follows: the processor exchanges data with the chipset, the chipset - with RAM (as if through an intermediary).
If the memory controller is built into the processor, the data exchange between the processor and the RAM is direct and faster, and this is of course a plus.
At AMD, the memory controller has been built into the processor for a long time - since the first Athlon 64 (single-core) .
Intel started using an integrated memory controller in processors recently, starting with the Core i3 - i7 series.
Prior to this (socket 775, Core 2 Duo and Quad processors), it was in the motherboard chipset in the old fashioned way.
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A chipset (system logic set) is a set of chips, formerly consisting mainly of north and south bridges. Now, in the latest models of motherboards, there is no north bridge (since it has been removed, and the PCI-e x16 controller and the RAM controller are located directly on the processor chip). The chipset is actually one bridge responsible for the operation of SATA and PCI devices. Northbridge (Northbridge) is a set of logic that provided data exchange between the processor and RAM via the system bus (FSB), between the processor and the video card. At the moment, the northbridge has remained only on LGA1366 platforms (X58 chipset) and is only responsible for the processor-video card(s) connection.
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The board only supports as much RAM as the processor supports, subject to slot limitations, ranks, etc.

... Based on these facts, the question arises: my processor supports up to 288 GB of RAM ⇒ it will be possible to install the amount of RAM in the system that supports the processor, ignoring the "theoretical" limitations of the motherboard? So?
And one more fact - one 3D-eschnik told me (and sent a confirming screenshot of information about his system) that he assembled the system for himself on the LGA1366 socket (you can say on any other modern one) just like that, ignoring the limitations of the motherboard, because he says " they write in the specifications in the old fashioned way or with some kind of cunning marketing intent, perhaps so that people buy newer motherboards, and do not assemble comparable powerful computers from old components to match the new hardware.
It would be good to finally clarify this topic, confirm or refute these facts / rumors.
Thanks to.
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