NPR stated that the pillars had been inspected and weren't in great shape. Also, they were designed when the ships were smaller and were expected to be able to drop anchor(s) and if not stop, slow down enough that a direct hit to a pillar would not be with "much" force. But with pillars in...
I would first contact your homeowners ins. and let them know what is going on, then you can call the cops or a lawyer
https://www.nolo.com/legal-encyclopedia/trees-neighbors-faq.html#:~:text=The%20basic%20rule%20is%20that,neighbor%20what%20the%20law%20is.
My current setup:
Kef LS50 Meta's
Schitt Vidar 2 amp
Wyred4sound pre-amp
Wiim pro-plus streamer
Next upgrade is a PS Audio Direct Stream DAC, and then a PS audio Air Lense streamer