The went back to paper because;
#1 A few years back, they had a lot of problems with the electronic system.
#2 The paper, and cash up front system reduces the number of weekend warriors and people who put in applications for their whole family, even non hunters. The old electronic system made for much worse odds. Lets face it, people were applying for their 95 year old grandma, then when she drew a tag, ( your tag, my tag) they would go hunting with her (wink, wink).