Lying about an election to mislead voters on election processes (i.e. time, place, and manner) is illegal.[0] "Threats that threaten the public safety or security of the United States" are also illegal. The judge lists several other things that are also illegal, such as malicious cyber activity and criminal conspiracy, so it doesn't seem like that section is intended to contains exceptions to section 8.

[0]https://www.fbi.gov/how-we-can-help-you/safety-resources/sca...