I don't think it's hindsight, there were some of us - including me - that thought adding zero FA relievers was a bad idea and we could at least use a mid-guy like Chafin to bolster our depth.
The offense is the bigger issue, but if we are expecting the Twins to build a team that can do damage in the playoffs, they've got to field a better bullpen then this. And yes, I know FA relievers are volatile - but at some point they need to roll the dice. Joe Smith was our biggest FA addition over the past two years, and if you look at the FO's entire FA history... is there a single success? It's not that they're bad at building a bullpen, but they should have taken similar steps to solidifying it the same way they were liberal with adding starters and adding depth to the lineup.