I don’t know enough about this practice to give it a blanket endorsement or not to, but it doesn’t sound objectionable to me, because the popularly stolen models are also popular cars in general. In San Diego, Hondas are probably the most popular for car thieves and car owners alike. If there are seven Hondas parked on a city block, and the thief happens upon the one that was planted there, there’s nothing wrong with that, assuming the car didn’t call out “Hey! Steal me! I’m here for you, for free! You can do whatever you want with me? Doesn’t that sound awesome?”
The point is that it’s not that black-and-white. You may not jump into that Ferrari, but it’s easy for someone in a bad situation to make a slight compromise on their moral system and do something that they would never do otherwise. It might very well be conceivable that someone who just had his car repossessed, stands to lose his job if he can’t find another means of transportation, doesn’t have enough cash around for a trolley pass and is struggling to make the rent, maybe, just maybe, that guy will struggle with it. At that point, it is a legitimate moral dilemma for that person in that situation, and that person might do something they would regret, or that they wouldn’t do otherwise.
When that thing they’re lured into means they have to jump on a sex offender list and face hardship and discrimination in every single endeavor in the rest of their lives, that’s a big deal. Especially when it distracts (money, time, attention, publicity, etc.) away from the efforts to snap up the people who actually commit sex crimes.