While the arrangement has been very beneficial for us, let's not forget that the EU does need a market to sell inferior products at a premium and they do need our seasonal workers and our educated as well, who would otherwise flee to the US and elsewhere.
I cannot speak for other countries, but seeing the vitriol here gives me a deja vu of the anti-Romanians Brexit campaign.
You know, it was hilarious seeing the UK begging us to send them workers in this Covid crisis ;-)
I am optimistic however. These things happen in a two steps forward, one step back fashion. And unfortunately for the corrupt in this country the geenie is already out of the bottle.
You'll see in the following years.
My Romanian bretheren tend to be more pessimistic. I recommend this book: https://www.goodreads.com/book/show/34890015-factfulness
Fast forward to today, Liviu Dragnea is serving time for abuse of power, Bulgaria is still dealing with corruption and the Hungary government continues its assault on democracy.
It's beggar's belief why any of these nations membership has not been suspended.