Yeah I think as a nation we have over reacted with Warner & Smith.. I don't like Warner never have, and would be happy if he never played again, but fairs fair here they've done the (excessive) time for their crimes.. Look at all these other nations that ball tamper or cheat or are corrupt - no one even seems to bat an eyelid lol.
I'm glad that our country has taken a much stronger stance than others. The fact that Atherton, Faf (twice) etc. got away with it shouldn't be a factor in determining their sanctions. This sends a message that peoole wearing the baggy green are expected to play by the rules. If the Saffas are happy with their captain doing the same thing, then that's up to them (although hopefully the ICC will get tougher on this).
But I agree that, particularly with Smith, who AFAIK wasn't involved himself and was only punished for not doing more to stop it, the bans were a tad harsh. I think they should have at least been able to play in the second half of the Shield season, i.e. maybe suspended the last 3 months of the ban in regards to domestic cricket.
One thing I am sick to death of is hearing about how harsh the ban is on Bancroft, because he's just a kid, the new player in the team, etc. The reality is he's a 25 y.o. professional who should know better and should be able to make his own decisions. He is incredibly lucky he wasn't given at least as much as Smith.