Why are people against reparations?

The U. S. has been forcing poverty on black communities for four centuries, only making such practices (i. e. redlining) illegal in the 70's and not really enforcing it until the 90's. And things are improving but a desperation born of poverty has a lot of momentum that could take centuries to reverse.

Of course, reparations would stop it in its tracks, and permanently. Forever and finally cutting the legs out of all arguments that racism is the cause of any future problems of signifcance. But people are like condo owners, wanting to put off much needed but expensive repairs until they move out so they don't have to contribute to it. This goes on until the condo collapses. Then everyone who previously moved out gets to think "wow, sure glad I moved out so I didn't die with the rest of them" instead of "wow, my selfishness literally got people killed."
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Wow, this question took off. I only intended to spar with some trolls but instead a bunch of normal people showed up. Anyway, seems the most common answer is based on people assuming reparations are a penalty instead of a repair. If it were possible to stress that no one is blaming you for a problem that nonetheless definitely needs fixed, would you be less reluctant tonhelp fix it?
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Well, that last update made the trolls a little nuts. I'll just say, I meet a few people from Niger. One of the things about their outside perspective is they know about the U. S's history of slavery, and when they visit their first impression is that things haven't changed much. Yes, there are people who have risen above it - just as there were free black men walking around the south at the height of the civil war.
Why are people against reparations?
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