It is an assumption that 0AD being an RTS game has more casual games.because all RTS have higher casual audiences than competitive ones.
The only difference is that 0 AD doesn't have any content geared toward that audience.
In most RTS the AI are not very smart.The complexity is given by the map and the resources in addition to being an asymmetric challenge.
I highly doubt it, gamers always want new things to test.
Obviously performance and quality in controlling units and play helps a lot.
That's why new installments are expected, with new civs in Age of Empires.
People want the same old stuff but with new features...But at the same time people want a classic burger than a new mushroom bacon cheeseburger...
You get it? I mean, it's not just the novelty itself, but also how all these mechanics work together.
Although here the conversation started talking about cheats online.
I don't know why people aren't honest about something that brings you nothing but fun.