Not everyone has an iPad Pro. The "240p" ecosystem thrives on second-gen iPod Touches, bootleg Android car head units, and old laptops running Windows XP. For these devices, a high-bitrate 720p file causes stuttering and crashes; a 240p MP4 runs like butter.
For Season 3, Episode 17 of Young Sheldon, I found that the episode originally aired on February 27, 2020. The episode is titled "Staircase Implementation and Masonic Mysteries." young sheldon s03e17 240p
The episode is available for streaming on various platforms, including: An Academic Crime and a More Romantic Taco Bell Not everyone has an iPad Pro