LWaen how to deal with them in a professional manner.

THe loudest negiive people have the mentality of Children, and are self absorbed. THey are typically the worst at their skills as well.

Be carefull taking advice from those types as well. Usually it is bad tactics.

Respect and good communication helps everyone grow and do well. Cocky attitudes and self created superiority is meant to make ones self feel good for their own issues.