

Yes. The Brexiters argued that they would be better off without an agreement with the Europesn Union on future trade policy and sgreements, seeing a “No-Deal-Brexit” as leverage which left the UK free to make more advantageous trade agreements with other countries.
Years later, not a single agreement has materialized which could even remotely make up for the lost trade with the European Union.
And, ironically, business sectors which thougth that they would profit from Brexit like fishing companies or farmers, suffered the most because they were completely unaware how much advantage the collaboration within the EU was giving them.
That would require to create a lot of new jobs for scientists coming from there. Otherwise it would just increase competition for unattractive jobs and lead more people to quit science (which I did).
And speaking of MINT professionals, we have a lot of stupid processes and bad working conditions here. Yes, for example in German industrial engineering, a lot of experienced software developers are sought for - but honestly, most managers do not have an idea what a requirement specification or an API really is. If you don’t believe me, ask for the API docs of the thing you should work on in their interview.