For anyone in top of politics they are likely going to be connected to people who are top in either corporations or organisations.
Theresa May isn't a dictator and can't just decide what she wants to without being in agreement with the rest of her politicians.
Insinuating that there is some causational relationship here is just as much part of the problem.
That said, there definitely are cases where the relationship seems very suspicious, but it's not a rule and I wish people would be more careful to prove their claims rather than just putting them out there. But maybe I am missing something here.