I noticed this pattern on nuxt.com, then saw similar behavior on other sites.
Sometimes I right-click a header logo to copy or save it. On these sites, right-click on the logo opens useful options instead of the default interaction.
Examples
Nuxt
Logo area with custom right-click behavior
Linear
Another site using the same pattern in the logo area
Evidence
Context action around the brand/logo area
SVGL
Logo interaction with additional useful options
The key idea: if you intercept right-click, give users something better than the default menu.
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