I think he could certainly gain more value as an offensive asset by no longer having to play against the shift; then you could deal him at the deadline for a potentially unexpected need, rather than dealing him now for prospects.
Clearly it hasn't beyond Ober (and Ryan, if you want to count him), but at least the FO is addressing the situation by acquiring starters by any means.
I think the Twins were smart to deal Arraez prior to the shift being implemented. I think his bat-to-balls skills won't quite out-pace the league like they did last year. Likewise, a guy like Kepler could see his bat really improve due to the shift being banned, and he could increase his value as an asset in season.
Starting pitchers are known for their health, right? Lopez will certainly be replacing starts by the 6, 7, 8 guys as well; it's disingenuous not to admit that.