Adam Frazier isn't a bad comp, if we're talking purely about value. Their stat lines are very similar, with Kike you're going to get a little more SLG, and with Frazier, you're going to get a little bit more AVG. I'd say that when it comes to defense Kike is better, 7.3 career DWar to Fraziers 2.5, but Frazier is still a plus defender and as pointed out even provides positional versatility that Kike does too.
It's a good enough comp to say if Frazier can get 8 million in arbitration, that 10 million for Kike is a good deal.
I think most view it as a good deal. Maybe he spends all year on the D.L. and it looks bad in hindsight, but if he's healthy for even just most of the seasons, he's going to be worth a lot more than 10 million dollars.