Running YouTube on Android 6.0 in the current technological landscape highlights several limitations:
Android 6 has a kernel (Linux 3.10) that modern video decoders no longer support. Even if you hack YouTube to run, you will miss out on: youtube for android 6
Refurbished Android 10 or 11 phones can be found for on eBay or Back Market. A $10 monthly savings on coffee would buy you a replacement in two months. Running YouTube on Android 6
Install (not Chrome, as Google’s own browser on Android 6 is also outdated). youtube for android 6