That popup will only appear if your account has already been flagged by Apple for refund abuse. It certainly does not appear every time. They have an "I would

That popup will only appear if your account has already been flagged by Apple for refund abuse. It certainly does not appear every time. They have an "I would like to cancel this purchase" option in the EU for a reason, which gives you an unconditional refund within 14 days as long as you didn't get that popup when purchasing.