The thing with trade negotiations and agreements is that both sides meet, and each have their agendas. They agree to give up one thing to get another. Once a deal is reached, they each go back to their populus and claim victory, citing what they got, and not anything they had to agree with to get it.
We have had numerous trade deals with others in the past. Even when NAFTA was replaced with the USMCA as a trade deal with Canada and Mexico, it was acclaimed by Trump to be the best deal we've ever made when he signed it. Now he says "“I look at some of these agreements, I’d read them at night, and I’d say, ‘Who would ever sign a thing like this?’
Now we are having a trade war with them. So trade deals seem to always end up with finger pointing and accusations which ultimately lead to needing a new deal to replace the one that didn't work.