Today, web aesthetics run on hyper-curated, algorithmic polish. Early DeviantArt, Geocities, and old forum communities represented an unvarnished frontier where people posted their most unhinged creative experiments without worrying about algorithmic punishment. Coldsteel survives because it documents a specific, unrepeatable period in internet history.
The phrase remains a cultural touchstone because it represents the ultimate critique of self-seriousness. Whenever an online personality attempts to cultivate a persona of detached, ruthless invulnerability, the ghost of an MS Paint hedgehog is waiting to puncture the illusion.