These sites are notorious for pop-under ads and "clickjacking," where clicking a play button opens several unrelated tabs.
No. FilmyZilla is flagged by Google Safe Browsing and most antivirus software. It contains trojans and aggressive pop-up ads.
Aha Video (free with ads) and YouTube are the two best legal apps.
Because Indian ISPs have blocked over 800 FilmyZilla domains. Any mirror you find is likely a honeypot scam.
: The "best free" tag comes from the fact that it doesn't require a credit card or a monthly fee. The Risks of Using Filmyzilla
(Note: For a formal academic paper, this section would cite specific studies on digital piracy, SEO trends in the grey web, and cybersecurity reports on torrent/streaming site malware.)