The other trivial solution is to just list all the vendors that the customer could potentially deal with and give them the ability to select the ones they'd lik

The other trivial solution is to just list all the vendors that the customer could potentially deal with and give them the ability to select the ones they'd like to receive offers from. Yes, there's less potential overall revenue there, because less leads means less revenue for lead generation companies, but it's still better than the footgun they're currently being presented with.