Regarding this aside in https://www.theverge.com/23655762/l4s-internet-apple-comcast-latency-speed-bandwidth : “I invite anyone who’s used dial-up to tell me how soft I am and to reminisce about the days when every website took 10 seconds to load, uphill in the snow both ways”
Naah, the snow was only in December when people added those scripts to display falling snow on their web pages.
Oh, the rest of it? Oh, yeah. And of course stats, tracking, ads, and JS frameworks have been using up the gains in network speed ever since.