Over the years I have read numerous threads concerning tools that did not meet their owners expectations. Most, if not all problems were subsequently corrected to the owners satisfaction. It seems to me that if you have a problem the first course of action would be to contact the seller and fully explain your concerns. If that fails then by all means post your experiences on this or other forums, but to do so without giving the seller a chance to correct the problem seems a little unfair.
I have no connection or affiliation with any manufacturer.