The Institute for Justice specializes in this type of work, and they alone have successfully saved 16,000 homes and businesses from eminent domain abuse, largely using new state level protections that were instituted by conservatives in the wake of Kelo. They have extensive write ups of current cases as well as success stories, but homeowners are at the mercy of the strength of their state laws, some of which are good but some which are only cosmetic and don't actually protect homeowners. These people are having to rely on the states to protect their 5th Amendment rights which are in the conservative and limited government philosophy a Constitutional protection, not one dependent on state laws:
But it’s certainly not a conservative principle for the SCOTUS to opine as to whether local decision-makers are making stupid decisions or not.
Yeah, it most certainly is! If local governments are violating peoples' Constitutional rights it is the responsibility of ALL branches of the Federal Government to stop it. What doesn't help is not admitting that there's actually a problem, or pretending that a Supreme Court case was decided correctly, when according to all of the evidence was not. Eminent Domain Abuse protections cannot happen if people don't acknowledge there's a problem, and you and Trump are ignoring it, or potentially in Trump's case, he actually supports this type of abuse since he's engaged in it.
If you don’t understand the difference between protecting constitutional rights and preventing stupid decisions, then there’s not a lot else we can discuss. We would have to start there.
All very general, but doesn’t answer the question as to what specific “major horror stories” have resulted from Kelo. I follow this stuff pretty closely, and can think of none. The fact that states and localities responded to Kelo with protective legislation proves that Kelo was correctly decided: it’s up to the states and localities to decide for themselves how they want to define public use.