Cat's harassment of the producer of her favorite show is an exaggerated attempt to show what Dan Schneider went through when Victorious was cancelled. (Ironically, Sam & Cat itself got cancelled in a similar way later on.)
When Sam and Cat are watching That's A Drag!, Sam points out that the laptop has a banana logo rather than a pear because they aren't allowed to use the pear logo, just like these shows (this one, Victorious (2010) and iCarly (2007), as well as other Dan Schneider shows like Zoey 101, Drake and Josh, and Henry Danger) use a pear logo on their electronics rather than an apple.