[rollcat]

> I would guess that rss doesn’t show up in their JavaScript-driven web analytics so they mistakenly think no one uses it.

All it would take is ?utm_source=rss, but betcha readers would start stripping that, because once you've started abusing everything, anything will look like abuse.

[prepend]

I always include that stuff unless it breaks my experience.

Both to respect the publishers preferences and it’s easier to cut and paste rather than edit the clipboard.