We already know intelligence is a vector with at least dozens of fields. Suppose we ever figure out a way to measure those to arbitrary precision.
Are you telling me that there is chance in hell of all measures of central tendency, and all measures of variation of all these dozens of fields of intelligence to trillions of decimal places between different races to be identical?
When one sets out to study rice traditionally grown in Africa vs rice traditionally grown in Asia, one can freely set out to "prove" differences between rice traditionally grown in Africa vs rice traditionally grown in Asia. Because rice is a complicated mixture of chemicals and there is no chance in hell of rice with different geneology, climatic conditions, socio-political situation, cohabitating animals/insects ; be identical in ALL those respects to trillions of decimal places.
Why the shitty political correctness about scientific hypotheses about human intelligence, which is also immensely complex? Why does one have to qualify setting out to "find out if there is a difference and prove it", rather than just prove it? You don't have to do it for rice.