200 years ago, slavery was considered "normal". 
150 years ago, women not having voting rights was considered "normal".
100 years ago, child labor was considered "normal".

What is accepted as "normal" today that might be seen as crazy by people born in 2075?

Building @kiwi 
Writing @ https://kanfa.macbudkowski.com/

Killing animals to get meat, driving, dying from diseases, getting a cold/flu, having 3+ kids, denying human-caused climate change, working most of your waking hours to just barely survive, and typing (especially on a physical keyboard.)