Your so presumptuous in your arguments it's insane.
The problem with that theory is 'your' companies are transnational and have no loyalty to the UK which has been rendered not a nation state, but an economic zone through which value is extracted out into foreign accounts and the population is replaced with foreign labor to complete low tier jobs (within the UK and offshore).
Many companies have also left the UK eg:
HSBC: moved its headquarters from London to Hong Kong, citing its desire to have a closer connection to Asia's growth.
Bank of America and JPMorgan: expanded operations in the EU/Asia to ensure they can continue serving clients there post-Brexit.
Honda: The automaker has also shifted some operations and production away from the UK, partly due to concerns about trade barriers and the UK's relationship with the EU.
The UK is also a European country with some of the highest net millionaire emmigration out of the UK (because its long term future is bleak).
If the UK was as good as you say why would people emigrate to Switzerland, Monaca, Australia, US, Singapore and New Zealand instead of the UK?
This chart shows the countries/territories with the highest net number of millionaires emigrating in 2022-2023.
www.statista.com
This graphic maps out the migration of millionaires across the globe, showing the top 10 countries the ultra-rich are moving to and from.
www.visualcapitalist.com
You are genuinely deluded and likely know few people in IT, finance, law, med.
The 'S&P 100 added more than 300,000 jobs — 94% went to people of color.' - Article from 2023.
I'm 6'0-6'1 manlet with amber/brown eyes and I'm unemployed, poor, awkward, no social media and incredibly underdeveloped social skills. I went to a decent University and could do a Masters at a t10 in my subject area (I think I will avoid doing this and surgerymaxx and travel instead though).