cost: £loads....

EU Boats are still fishing in UK Waters pretty much as before.

So much of if now, International Companies are shunning us!

In your dreams.

Oh we got one, but services - that's 80% of our economy - are not part of it.
Australia laughed in our face.

The Trade Deal is simply EU legislation made UK law.
We lost our Sovereignty in the affairs of the continent, and Northern Island is separated from the rest of the UK by a border. The EU can withdraw the deal at any time too.