Mr Etheridge said leaving the European Union was an “opportunity” for the UK and it had a “bright future as a sovereign country”.
Speaking at the debate on Channel 4 News in Wolverhampton, the MEP added there was “no reason on earth” why Britain should be a “vassal” of the Brussels bloc.
She said: “I’ve actually had someone from the older generation apologise to me for the way their generation voted and for our future.
Bill Etheridge told youngsters to be more optimistic about Brexit
There is absolutely no reason on earth why we need to be a vassal of the European Union
“I’m not saying that Brexit shouldn’t happen, that is the way the country voted, but it does seem to be that overwhelmingly, young people voted to remain and that wasn’t considered."
But Mr Etheridge said young people should grab the Brexit decision with both hands and that poor wages were a result of high levels of migration to the UK.
Asked if he wanted to apologise to the young people for Brexit, Mr Etheridge replied “no”.
“I want to say to the people in the room that all of this negative spin that’s going on here, what we actually have is an opportunity for a bright future as a sovereign country trading with the world,” he said.
“There is absolutely no reason on earth why we need to be a vassal of the European Union.
May meets Juncker and Barnier at Number 10 Wed, April 26, 2017
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Theresa May hosted European Commission President Jean-Claude Juncker and chief negotiator Michel Barnier at Downing Street for the first face-to-face talks since she triggered the two-year process of withdrawing from the EU
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Prime Minister Theresa May greets European Commission President Jean-Claude Juncker ahead of a working dinner at 10 Downing Street, London
“What I would say as well, to the young people here, your wages have been driven down by the fact that the Conservative and Labour governments allowed in huge amounts of people to complete with you in the jobs market.
“It’s called supply and demand.”
Earlier this week, a Liberal Democrat general election candidate launched an insulting attack on Britons as he claimed Brexit was “Tory madness” that can still be reversed.
Paul Kennedy, the Lib Dems’ General Election candidate for Mole Valley, claimed Leave voters do not want to quit the single market and Theresa May was pushing for a “hard” Brexit nobody wanted.
The Remainer said: “Theresa May claims there can be no turning back from Brexit but that simply isn’t true."