If you're doing a job that is worth $7.25/hour and you get $7.25/hour, that's a fair day's pay. Your problem is you don't define fair based on someone getting an equivalent wage to their skills or job they do. You define fair on some intangible concept.
I define it as a very tangible concept. If you work for a living, you should be able to MAKE a living.
You should be able to earn one, not be given one. The loser in the equation is the person who didn't take school and job skills seriously enough to be able to support themselves. Walmart and other businesses that hire the lowest skilled employees are great Americans, they are humanitarian. You, not so much.
Ask yourself two questions:
1) What percentage of workers earn minimum wage? Do you even know?
2) What percentage of workers do you suppose are just terrible, have low skills and are lucky to have any job?
Hint, the answer to 1 is a whole hell of a lot less than the answer to 2...