Some people need more memory than everyone else - especially when virtualization comes into play. Often, laptops with a high amount of RAM are pretty big or heavy. The key selling point of the maximum configuration of the Lenovo ThinkPad X1 Carbon Gen 11: It is neither of those things while providing 64 GB of RAM.https://www.notebookcheck.net/ThinkPad-X1-Carbon-G11-Max-A-boon-for-traveling-memory-junkies.766235.0.html
The comment about "640K of memory outta be enough for anybody" was made by a engineer at IBM.