I just want to say thank you to everyone pointing out it is the Tudor Rose. I had never heard of this before, and now I am going to go read about it.
While I would agree about being careful seeing symbols in places they may not be. I had never seen the Tudor Rose before, and my thought process was what I had seen before. Considering that Thomas More wrote Socialist literature, it's understandable I could associate the two. Now that I know what it is, I will research it more to understand.
Link to the protest Livestream:
https://www.youtube.com/clip/UgkxZP4lQ7C4v9EGQn3X3XfKcvo8MMW7C2Ks