They're not the only ones. I wish them luck!
The building opened in 2012 as the Trump International Hotel and Tower Toronto. The Trump family-owned The Trump Organization held the management contract for the hotel and was a minority shareholder in the project. This affiliation with Donald Trump – then a real estate developer and reality-television star, later President of the United States – was controversial, and led to public calls to drop the building's Trump branding.
For that comment, yes. It appears that the author has limited it to signed-in users only. This is one way to ensure that the Bluesky moderation tools are applied to everyone who might view / screenshot / interact with the post in question.