I think the unspoken point of these simulations (Carl Sagan also famously did one for the good Cosmos) is not what if the speed of light was lower, but what wou

I think the unspoken point of these simulations (Carl Sagan also famously did one for the good Cosmos) is not what if the speed of light was lower, but what would traveling at near the speed of light look like in a more recognizable/'intuitable' scenario than the endless vastness of space with little specks of stars flying by us.