Sorry, point of confusion here: what do you want to happen without the line? It's not clear from your comment. Let Stripe remember the customer without asking

Sorry, point of confusion here: what do you want to happen without the line? It's not clear from your comment. Let Stripe remember the customer without asking (because repeated payments are an obvious thing, and you have to keep the details in your books anyway, so for them, it's a no brainer) or on the contrary don't even consider the possibility (because you don't expect any repeated sales)? In the first case, the problem is that you point it out to customer and make them scare of something innocuous, that they would find obvious if they had to go through it; in the second, you force them to click out an unnecessary option. Comments seem to point at both options, without realising the confusion.