Some toots on Notifications screen are greyed out (iPhone/dark mode)

[earlruby]

On an iPhone in dark mode some toots on the notifications screen are greyed out, and others are not.

Here are three notifications that a post of mine was favorited, all grey:

Here's a poll I responded to (greyed) and a response (full brightness):

Seems like an odd design choice. Is this a bug or intentional?

[xmflsct]

Yes this was intended, greying out your own toots, helping focus on whether your toot was reposted, etc. But from your screenshot, a poll you participated in also got greyed out which is not intended.