This is a disaster for the UK's medical workforce in the long term... which is already in parlous state. We are using limited resources to train doctors with no long term commitment to the UK, in place of our own graduates. Many of whom (UK graduates) will then leave UK medicine never to return, as they have literally been forced to find other careers despite themselves and the taxpayer spending tens of thousands of £ specifically training them to become doctors.
I cannot begrudge IMGs for taking up the opportunity to get what is considered a world class CCT. Have worked with many excellent IMGs - however from a workforce planning POV their desire to train here often does not align with a desire to remain post-CCT. Particularly when our immigration policies do not permit them to bring their families to the UK. So when they become consultants and leave the country...
The NHS is currently responding to the diminishing number of consultants as a convenient way to save money. When a post becomes vacant through retirement, just don't fill it. Who needs consultants to practice medicine really. Instead, the medicine can be done by dramatically less qualified assistants and practitioners under the supervision of a diminishing number of consultants, whilst waiting lists (to be seen by a specialist, to get your scan reviewed by a radiologist, to have surgery...) grow and grow. What could possibly go wrong for patients...