AMD says overclocking blows a hidden fuse on Ryzen Threadripper 7000 to show if you’ve overclocked the chip, but it doesn’t automatically void your CPU’s warranty::AMD explains the hidden fuses behind Ryzen Threadripper 7000 processors and how it will handle warranty claims.
It’s very prominent in any build guide, on even casual PC youtuber videos, in motherboard manuals, on ram kits.
It’s absolutely common knowledge to enable XMP, I dunno what that guy is smoking.