When you respond, you are making formal statements to the court. Those statements remain in the record as the case develops.
Many people respond under pressure and attempt to address every allegation immediately. Early admissions are not easily undone.
Your initial filing is not about arguing the entire case. It is about preventing default and preserving your rights while the process moves forward.
In Nevada, a properly structured General Denial allows you to meet your deadline without locking yourself into detailed admissions before the full picture is known.