There is survivor bias here, for sure. But when we look at Rendon, we again look at someone who's had injuries ravage him. He's been hurt again and again. Now, most of this is post-extension, so these things happen. And if we really want to go down the Anthony Rendon path - he's on record as saying he doesn't love baseball. So we can maybe question how that plays into here if we really want to skewer Rendon, but I'll pass on going down that road more than just pointing it out.
So when it comes down to it, the injury thing is the risk you inherit when you sign these contracts. The risk exists, it's understood in the contract and it's just the life we live. With Tucker, you can look at his injury history and his game and at least come the conclusion that he's not someone who requires an exceptional level of athleticism like McCutcheon did to BABIP in the .350's, he's not someone with an extensive or nagging injury list, he doesn't have a skill flaw (like Baez)...so I feel very confident that the risk here is properly mitigated. It can never be zero. There's always what-ifs and unknowns. But generally speaking, you won't find a 28 year old player who has as few mitigations, IMO, as Kyle Tucker currently. And without a crystal ball, it's all we can do.
(Not disagreeing, more just expounding)