Why might an agent ask for other opinions?
There are a number of reasons - many of which have already been stated below.
One main reason is very simple - this business, RE, is not an exact science.
We use "comparable sales", and a number of other criteria when arriving at a recommended list price, BUT....there is still a part of this process that is based on experience, knowledge of the area and , yes, hunch!
Getting some input from other respected agents can add to the big picture.
If your agent suggested doing this, don't hold it against him or her - nothing wrong with seeing what other local professionals may think!!