If they can just ban an entire university for a few students actions then someone remind me again why a "code of conduct" is needed at all, and what rule in that document was broken? It's clearly not needed, and will only be abused IMO.
Without reviewing the pasted code it's hard to know if the claim is fraudulent, but I can assure you the DMCA is not the right tool for the job as-is. Using the word "expeditiously" implies there is some immediate threat that must be dealt with to prevent grave damages to copyright holder. In reality maybe some sections of code were pasted for critique, clearly not to steal property from (c)holder.
If only the most severe cases need to be handled "expeditiously" then MAYBE people wouldn't look at DMCA/DRM as a censorship tool. Right now though, its an automated nightmare which has no means for discriminating fair use of a small incomplete/unusable section of code vs someone posting full compiled binary.
Great for them if they can prove the claim was fraudulent, it can only aid in the fight to fix this busted law that has been abused repeatedly to harm competition and critique. We have to fix it now before the cops start using it to shut down streamers by playing copyrighted music at them (oh wait this IS happening, we need to fix this stupid law already...).
^Astrikes the portion of the law that says anything about responding to all claims "expeditiously", and replaces it with something that accurately represents the severity of the situation(s).^A
edit: severity in relation to an actual copyright violation, not possible damages imagined in the accusers theoretical situation if the content was not removed. Some companies might gladly eat a fine if only 1/100 people challenge their sick interpretation of the law and it keeps the bad PR from getting out. I could bore you with far worse scenarios but I will not aid the authoritarians with any further information.