A single compromised machine on your home network can lead to lateral movement — attacking routers, NAS drives, or other connected devices.
Torrent sites attract millions seeking free content. Attackers know users are often less cautious there, especially when frustrated by dead links or slow downloads. Malicious clones of 1337x appear and disappear rapidly, often ranking high in SEO for terms like "1337x hd movies." Search engines struggle to remove them fast enough.
Downloading copyrighted content via torrents is illegal in many jurisdictions. Fake domains seldom have legal disclaimers or abide by DMCA notices, increasing your risk of being monitored by copyright trolls or ISPs.