Could you clarify how? I don't see how that follows.
[1] https://fullfact.org/health/health-tourism-whats-cost/
[2] https://www.nhs.uk/NHSEngland/AboutNHSservices/uk-visitors/P...
(I’ll grant that some of the “some” who say this sort of thing seem to have difficulty drawing the right distinctions between such groups. At least two have angrily denied my examples of my brother and my girlfriend going from the UK to the Philippines and Hungary respectively for cheaper dental work).