Hassles with credit card processors over adult content isn't the only payment headache Steam is facing these days. Valve is also getting grief from PayPal, which is no longer being accepted as a form of payment in much of the world.
Going by posts about the problem in the Steam subreddit, the issue was first reported about a month ago: Users attempting to pay for purchases in countries including Switzerland, Poland, Norway, and Mexico received a message saying Steam is "temporarily unable to process transactions with this payment method at this time," with no further explanation.
