There are flaws in your arguments.
Which supply company was “squeezed”?
You can only fix prices if two or more companies agree to do that. The other parties are just as guilty and corrupt as BA in this, the difference is they got scared and blew the whistle.
What evidence do you have that they have restricted cash flow to smaller UK airlines and who?
How does it corruptly, bully intimidate and victimise its staff? I do think you are clutching at straws