One other thought - if there is a capability gap and a regiment needs to be formed, why not reconstitute an appropriate historic capbadge? The RAF take this approach and it maintains tradition.
A cynic would see resurrecting a historic capbadge as a way of sweetening a bitter pill.
The infantry battalion also traditionally has a recce platoon which presumably employed soldiers with the qualities that could be developed further by SF selection and training...so it is shooting oneself in the foot to reduce this pool further (oops, on soapbox again
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