1 Steve: {by radio from the rocket visible in the background outside the windows of mission control} Elon! The rocket’s computer has gone down!
1 Elon: What?! This is a disaster!
2 Elon: Wait. Have you got a phone?
2 Steve: Crikey. Yeah!
2 Elon: Phew. That’s fine then.
3 Steve: A modern smartphone has more than enough processing power to run a rocket ship?
4 Elon: No. I want to make sure the first social media post from X (formerly known as the moon) is on my social media site!

If NASA engineers had had modern computing power available to build the Apollo rockets...

The astronauts would probably have been playing Fortnite or League of Legends on their way to the moon.