hijghula

Sounds like the French system.

Largely free (taxpayer-funded) at all levels but if you want to go into the best schools you better bring in your A-game because entrance requirements it to sit series of 4 hour long tests graded anonymously.

Your second statement is incorrect. Having a racial bias would mean that IQ tests are incorrect (having significantly different errors) for certain samples/groups. But no one is saying that.

Imagine a test to measure the resistance of various materials. Is the test biased because it shows that concrete is stronger than rotten wood? No, it just measures the resistance of different materials. If the measurement error (not the measurement itself) was significantly different for different materials then yes you could say the test is biased.

You are just saying that SES affects intelligence, which is most likely true and immediately prompts the question of what affects SES.

They were not just researching "how to rain nuclear fire on the US" but also how to send the first satellite into space, send a probe on Venus, put the first man in orbit, etc.

Culture largely flows from genetics, so I'm not quite sure what you are getting at.

You accept that some people run faster ("uncontroversial") but somehow it is "unknowable" whether some people think faster?