The main page for Gentoo Projects lists retired developers as it includes pages for historic projects such as GSOC (Google Summer of Code) and PR events (such as FOSDEM, FOSS.india or SCALE.
We should either add a list of pages to be ignored or define some markup for the index to ignore pages with such markup.
Not a infra bug. Talk to the www team instead.
Project pages on gentoo.org are no longer maintained.