For example because 8 points are more than 40 years old.
It doesn't represent current level of abilities.
In case of Russia-main question is the fundings.
My point was not intended at questioning russian capabilities but rather a comparison between US space program vs rest.
The high failure rate shows that russia still has to master a large chunk of technology related to mars mission. cost effective frugal engineering can work in earth but not in space.If you can afford the mars program,only then proceed with it otherwise don't.The mission would require you to invest a large % of your GDP on it