Don't forget that we don't have a
National Health Service as such, Billy ... just a hundred and sixty or so semi-autonomous "pretend* businesses", that are obliged to follow a load of rules ("guidelines", legislation, whatever) set down by Central Government. That is, each one "doing their own thing" in as much as they can get away with doing so.
We all know that the NHS needs properly organised (structured) technical services, with a Central Training School, Specialist Workshops, and all the rest ... plus a doubling (trebling?) of technician manpower. But somehow I doubt this will ever happen unless the present, somewhat
ad-hoc, "system" collapses totally in a spectacular manner.

Meanwhile, all this bickering about which gang is the one to join, and who should represent whom, is simply a distraction.
None of the "societies", "institutions" or "registers" is going to carry the fight forward, as far as I can see. Or, if they are indeed planning to do so ... when are they going to start (how long do we have to wait)?
* I say "pretend", as income is guaranteed, whether they are "successful" or not.