I have to admit: Yes, I am biased!
In my job I get more than 200 news items each day (and I am pretty sure that this applies for many other jobs also as soon as you want to stay up-to-date).
I have to take decisions!
Just an example: There are many notebook and pc vendors. Of course it applies for all vendors that there are series with problems from time to time. That does not mean that a particular vendor produces better products in general than another. If I decide to prefer one vendor over the other in general then of course I am biased.
But: I don't have the time to re-evaluate the market whenever somebody asks me, which computer to buy. When I bought the last notebook for myself I did a more detailed investigation and now I will go with the same recommendation. Maybe in one or two years I will re-evaluate the market. But it is not economical to do permanent re-evaluation. As economy, markets and vendors do not move that much in short time, decisions about vendors taken now will be most probably valid for the next few months. Product and service quality does not change from one day to the other.
The usual (and not the worst) reaction is: If you have bad experiences with a product you will change as fast as possible. On the other hand if you have good experiences with a product/vendor, you will keep and recommend it for the next few years probably. That is nothing other than "economical risk minimizing".
It is ok to be biased! It is ok to ignore other vendors/products as soon as you have taken the relevant decisions and if things go well.
The point is to know about your bias and to re-evaluate from time to time as in the long run things around you and your requirements may change! You should not keep your decisions automatically forever!
Related posts: People and information, Information overflow, Responsibility and decision.