Yes, regularly on https://old.reddit.com/r/RedditAlternatives/ , when threads are posted on !fedibridge@lemmy.dbzer0.com
Reddit users are already familiar with the Threadiverse UI, and usually are reluctant to use anything "Fediverse" due to the issues with content discovery on Mastodon.
Showing them that there is a subpart of the Fediverse that have a similar UI to Reddit and solves most of the content discovery issues of Mastodon can help to make them give the platforms a try.