One part of the mystery is the ".mom" top-level domain (TLD). HDHub4u has been known to use various domain extensions to evade legal blocks, and according to official court orders, hdhub4u.mom is one of the domains that has been used and subsequently blocked for piracy.
Platforms like HDHub4u have gained immense popularity primarily because they offer free access to a vast library of movies, TV shows, and web series without any subscription fees or mandatory registration. For many users facing subscription fatigue from multiple paid services like Netflix, Amazon Prime, and Disney+, the appeal of a free, all-in-one platform is significant. hdhub4u mom updated