Are Smart-Contract ecosystems generally safe?
Who knows what about this?
On account of this you can not think, although, I think that this project is all right, even confident in this.
Not one system is not safe, you can not be exactly sure. Yes, I do not argue for security.

Is this a quote from a movie about hackers?

Yes, security is not impeccable, but still we trust the project and its security here.