For me, 480p is not even modest, it's close to the height I get for a landscape video when holding my phone in portrait.

I also don't usually need the extra pixels, as there is seldom important content in the fine details — a few years ago, when I was prepping to leave the UK but not everything lined up to the same dates, I was using PAYG mobile for home internet and therefore set the videos to 240p; the only reason that didn't really work was that not all videos had such low resolution, and when they didn't the site defaulted to 720p.