It's your money, back your own judgment and research. That way is factors change you can decide how to react. If you buy on someone else's advice, even if it's good advice at the time, you don't really know when or whether you should get out.
There are some knowledgable people on here who probably know more about some of the stocks you mention than you do. They probably also own the stock, which is a vote of confidence in it, but it means they have a conscious or unconscious bias.
