It may issue detailed news releases and find only small portions of them reported by the media；and media have the ability to be much more critical than a company would like.

【翻译】它可能会发布详细的新闻稿，而且发现媒体只报道了其中的一小部分；媒体挑剔的能力出乎了公司所希望的那样。

more critical than ：比......更加挑剔；挑剔的能力超过了......。