It's important to communicate professionally and properly.
Nicholas is looking for a new job, and he found a job listing that he's interested in.
Nicholas wants to email the recruiter to ask for more information.
Nicholas spends the afternoon drafting an email for the recruiter, making sure to double check it for any mistakes while projecting a professional tone.
Nicholas writes a casual email to the recruiter in a low key and friendly manner, without checking for grammar mistakes or spelling errors.
The recruiter promptly writes back to Nicholas with more information and tells him that he's happy to schedule him for an interview.
Based solely on Nicholas' manner of communication, the recruiter comes to the conclusion that he's not a good fit for the job, so he never responds to the email.