"We're worried some benefits might go to people who don't deserve it and/or be paid for by taking money away from other people." often translates to "you know,

"We're worried some benefits might go to people who don't deserve it and/or be paid for by taking money away from other people." often translates to "you know, untrustworthy people from the out-group" and is a bit of a dog whistle. I don't think anyone in the "We think that this might be best for everyone on average" camp is unaware of or unconcerned with potential abuses. I for one am not unconcerned, but I feel that these can be dealt with pragmatically - allowing some slippage. On the other side of that debate are people calling for absolutist, heavy handed punishments. (Some, if not most, on the understanding that "honest mistakes" by "good people" will of course be dealt with leniently. Why's my dog barking? Did you hear anything?)