That article is nonsense. There has been no change in reporting of SMART data that I can see. Others have also pointed out that it isn’t true.So it turned out to be a reporting issue rather than actual wear on the drive.
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Apple resolved M1 Mac SSD wear reporting issue in macOS 11.4 | AppleInsider
Previous issues surrounding reporting tools reporting heavy wear on SSDs in Apple Silicon Macs now appear to be fixed in macOS 11.4appleinsider.com