The activist was responding to the question about whether youth or experience was more important in deciding the fate of the country and whether “Grandma was right”.
Ms Lees said: “Well I hear there is a lot of pro-Brexit feeling in the audience and I respect that, I mean my family voted Brexit from a working class town in Nottingham.
“It’s not what I wanted, I wanted us to remain and I think that the exit polls do show the majority of young people did want to stay in the European Union.
“I find it sad that we’re leaving. But I think ultimately this is the Tories’ mess, they wanted to have this referendum and this is to kind of settle an internal Tory Party struggle and I feel like ‘why should we be left to deal it’, really.
But David Dimbleby pressed: “Paris, what do you think to the youth/age experience, which is the question that was asked?”
Ms Lees replied: “Well there was a great headline the day after the referendum in Vice saying, ‘Grandma what have you done?’
“And I personally feel let down by baby-boomers actually. I think they are the most destructive generations ever.
“They came up at a time when it was free to go to University, they have enjoyed a better living standard they have ever enjoyed in human history, they had every possible advantage given to them and now people are getting poorer, life expectancy is going down and we’re not going to be as rich as our parents.
“The people who are running everything in their 40s and 50s, your Boris Johnsons, these Cambridge Analytica people just seem completely reckless, completely greedy, completely self-interested and I really question the motives of these older people pushing for Brexit for their own personal political gain.”
One audience member said 16-18 year-olds should be given the vote but one passionate Brexiteer hit out against this.
He said: “I completely disagree, I don’t think 16-year-olds should be given the vote, I think you should be 18 as a consenting adult.”
Question Time presenter David Dimbleby asked: “Was Grandma right?”
To which the audience member replied: “I do think Grandma was right, but one thing that annoys is who says all these young people didn’t vote for Brexit?
“All my friends, all under the age of 25 all voted Brexit. All of my community voted Brexit and most people I know voted Brexit.
“It really, really grinds on me when politicians say all the young people didn’t vote for it. We did vote for it and we know what we voted for.
“We voted to leave the Customs Union, we voted to leave the Single Market, we voted to take back control.
“We don’t want a jobs first Brexit, we want people’s first Brexit. That’s what we voted for, we want our democracy back and that should be the basics of it.”