You can't expect from (all) your employees to be more innovative, to take more risk and to keep creating something new.
Because all of the above is very likely not going to work out.
And it's not safe.
And not secure.
But that's precisely the reason why a lot of people became employees in the first place... and not entrepreneurs....
A lot of employees just don't want to take risks anymore.
And instead they want something safe.
If you're constantly barking up the wrong tree all that's going to happen is that you're going to scare a hell lot of people while they're busy doing the things they're already pretty good at...