There are down sides to this which many ignorant people don't know.
1. Most private companies or even government will downsize which would lead to massive loss of jobs.
2. Those that don't downsize will increase the cost of there products and services rendered.
Last last, inflation will skyrocket and that 60k plus will just be like 10k in the hand.
“Minimum wage: Labour vows to reject little addition to N60,000 - Daily Trust”