I think it’s important to distinguish between:
Has understood a load of work in the field.
Has understood all known fundamental difficulties.
It’s entirely possible to achieve (1) without (2).I’d be wary of assuming that any particular person has achieved (2) without good evidence.
I think it’s important to distinguish between:
Has understood a load of work in the field.
Has understood all known fundamental difficulties.
It’s entirely possible to achieve (1) without (2).
I’d be wary of assuming that any particular person has achieved (2) without good evidence.