During a Monday morning appearance on WBUR’s “Radio Boston,” Mayor Wu weighed in on the coalition that wasn’t.

The host, Tiziana Dearing, asked the mayor about an event planned for July 22 at the Mashpee home of George Regan, who started a public relations firm after serving in Mayor Kevin White’s administration in the 1970s. The event was first pitched as a combination fundraiser for City Council President Ed Flynn of South Boston and birthday party for his father, former mayor Ray Flynn.

A few days before the gathering, Regan’s firm sent a release to the Reporter saying it would also be the launch of a coalition called “Save Our City” to fight the “negative impacts of the ultra-progressive policies” inside City Hall.

The release claimed that Councillor Flynn and other elected officials were attending the launch, something they denied when reached by the Reporter. Flynn stressed that it was a fundraiser and birthday party as originally planned.

Regan later said the coalition didn’t exist and blamed his secretary for the mess, while asserting that he believes the city does need saving.

Wu offered her analysis of the situation to Dearing on Monday: “As it progressed, it seemed to be more about one person’s mind than any particularly organized effort. If there are certain individuals who want to take the city back to the ‘70s — especially from Cape Cod and hosting a major effort out there — go for it.”

Wu said that she was in Boston on July 22, as were a number of the elected officials and candidates who were incorrectly listed as attending.

“There’s a lot of work to do and we’re in a moment in our country’s political history that it can feel maybe scary to some that things are changing as quickly as they are,” the mayor said. “That is all delayed and deferred change that should’ve happened a long time ago, frankly. Whether it is on specific policy issues, like climate, right? We could be moving at a very different pace now, much more convenient and comfortable if it had gotten going several decades ago when the impacts of climate change really became known. Now it’s too late to move comfortably and conveniently.”

She added, in a reference to to the list of attendees lacking in diversity: “And on representation of our community, opening up every sector and the seats at decision-making tables, and getting these tables out of traditional closed-door spaces, and out into the community, I couldn’t feel more energized by what I see in every part of Boston and in our neighborhoods. So frankly, I don’t worry too much about what’s happening out on Cape Cod or in certain people’s minds.”