Only if you you define recently popular as "More than yesterday, but still a rounding error."
And assuming they do, they all have HDMI anyway.
As for everything else most people would connect to their TV, they all have HDMI and precisely none have DisplayPort.
Given that, supporting DisplayPort is an unnecessary expenditure on bill of materials and labor for TV manufacturers.
To explain the format to myself and others, I also created an interactive visualization for the bytes in the file. It helps me to click on a byte, see an explanation for it and see related bytes elsewhere in the file highlighted. https://scratchpad.avikdas.com/elf-explanation/elf-explanati...
Part 1: https://youtu.be/iDtO6jjgfrc
Maybe it could be implemented using Raspberry Pico? I think I found me a new side project!