I just read on RC.com that there is a self-pay kiosk in the Creek now. Is this true?

Kiosks have been installed but I don't think they are self-pay, instead they are for making donations to help support the "wag bag" program being used for taking care of human waste. I think the kiosks are going to be used for dispensing information and wag bags. The metal pay tubes are for making donations to help cover the costs of this program, particularly the wag bags. The alternative to using the wag bag or pack-it-out policy are fee areas with regulated camping, pit toilets, stay limits, etc. The wag bag thing can help keep the Creek free and relatively unregulated.

Below is some information from http://friendsofindiancreek.org/camping.html

Human Waste

A two-year trial pack-in/pack-out policy will be enforced for human waste and garbage in all portions of the management area. If at the end of the trial period, this policy were found not to be effective the BLM may close some areas to dispersed camping, and toilets may be installed. At that point, various options for covering the cost of installation and maintenance of any necessary restrooms will be explored, including user fees. With the financial help from the American Alpine Club and Friends of Indian Creek, new kiosks will be installed at a few key locations outlining management changes, in particular the new human waste policy, and "Wag Bag" dispensers will provide campers with free human waste disposal bags for at least the initial climbing season.