Not that I know boo about Clarke's "personal life"... Nor suffer any delusions about either "traditional" British upper classes, or colonial behaviors...
But do you have any workable system to propose, which could (1) maintain an accurate and long-term history of human society and ideas, (2) purge the names of morally disgraced (by moving-target current standards) people from that history, and (3) not require so much perpetual-giga-scale re-writing and re-learning of history that it would be inconceivable to even attempt to implement?
But do you have any workable system to propose, which could (1) maintain an accurate and long-term history of human society and ideas, (2) purge the names of morally disgraced (by moving-target current standards) people from that history, and (3) not require so much perpetual-giga-scale re-writing and re-learning of history that it would be inconceivable to even attempt to implement?