"Relatively" being very much a keyword here. Nothing about sending two people around the moon is easy, there's a reason it hasn't been done in several decades.
>there's a reason it hasn't been done in several decades
Because it lost its novelty. Clearly the technology's already been there and had the potential to get better with continued funding.
Apollo 11 was a huge moment for the US and the world. We beat the Soviet Union to the moon, and that was the primary goal. By the time Apollo 17 rolled around there were other things going on that grabbed our attention (like Vietnam). We had already spent too much money on the Apollo program and the public didn't really care anymore, so it ended.
