They make their own theories and stories as we do and did in the past. If you look how romans view was on the greeks and the 18th century scientists view on the romans you know their going to be wrong anyway
Besides some statues will remain, let's just make sure we don't make statues of our famous bankers

I heard countries that store enriched nuclear waste that needs to cooldown another 40000 years or so put them in mountains and use a mathematical language on the doors to warn people in the future since they have no idea what language will be spoken in 10000+ years. Don't know if this is true but it makes sense.