I hate the Mack trade and I hate what the Raiders have been doing this post season. However, chances are they will have overall better coaching than last year so they might coax a 8-8 type of season and be competitive in games.
I don't get the overall direction of the team though: with a (supposed) franchise QB and an EDGE rusher on a HoF path they should have just secured them long term and built around them with the right pieces that would fit their scheme.
Cap has been growing #$10m/year while rookie contracts stay the same, so they would have absorbed Mack's new contract in two years and kept young players coming.
Instead they trade one of his two best players, throw away picks, sign unremarkable or over the hill veterans.