In many parts of the world, high-speed internet is a luxury. A 720p HEVC file allows someone with a slow connection to enjoy high-quality cinema that would otherwise be impossible to stream.
For users with slower internet connections, these files buffer much faster than "heavy" 1080p or 4K Bluray rips. Technical Performance: What to Expect bsmhd 2024 wwwhdkingrun 720p hevc aac x264
Files are significantly smaller than 1080p counterparts. In many parts of the world, high-speed internet is a luxury