I'll take "What is CryEngine 3 and then Lumberyard?" for £27000 please.
Yep. They had everything already so the comparison with CDPR isn't a fair one. They were using CryEngine 3 and then a few years into development decided to switch to Amazon's Lumberyard:
https://www.extremetech.com/extreme...mises-move-amazons-lumberyard-wont-delay-game
And then you read things like this, which indicates that it did indeed delay the game

https://www.reddit.com/r/starcitizen_refunds/comments/6c0778/lets_talk_lumberyard_engine_switch/