There are other companies who don't provide phone numbers and since Gapbuster is in Australia a phone number might not do any good. The only time I've been able to speak with them on the phone was when they were pulling some all-night shifts near the end of the month. I've also done some jobs that each had a good bonus and I can still get into the system and assign jobs.
You said you are a member of the MSPA, did you mean that you didn't think Gapbuster would do this since they are a member of the MSPA?
Equal rights for others does not mean fewer rights for you. It's not pie.
"I prefer someone who burns the flag and then wraps themselves up in the Constitution over someone who burns the Constitution and then wraps themselves up in the flag." -Molly Ivins
Never try to teach a pig to sing. It's a waste of your time and it really annoys the pig.