I too thought this was a good idea at first, something quicker than the recommend process. But I have co-workers, in a place of only 30 employees, endorsing me for skills that they have no background to know whether I'm good at them or not.

People have become too comfortable with Facebook and the "Like" concept such that anything that allows them to "click" to participate or "vote" or whatever, they will do without any forethought or discernment as to why they are clicking.

And forget about paying for their Premium service. The value of the added capabilities is nowhere near the cost of the upgrade.