You never know when you will end up in court and need to prove negligence.  

Unless there is gross negligence on the part of the "officers" of the entity, "piercing the corporate veil" is highly unlikely.

In the lease it specifically states "Tenant is responsible for all repairs due to his negligence" Is the garage considered common area since that is where the laundry is?

Assuming it wasn't broken by renter negligence or brute force, it's on you to keep it working.

An LLC does protect my personal assets if my partner or an employee is negligent and/or causes the LLC to be named in a suit.

If the HOA was somehow deliberately negligent, the insurance company may not pay and, as you suspect, this could bankrupt the entire community.If the plaintiff is claiming there is a health problem, I'd personally bail on this.  

The PM would need to be more than simply negligent -- something like grossly negligent or even willful, it depends on the agreement -- otherwise no chance for recovery.Nobody here is saying the PM did their job perfectly... but the liability for this fiasco falls on the tenant kicking doors down.

Would you want negligent actions on your part causing a risk to somoene's health?

We obviously both agree that it's impossible to get the service turned on same day, which shows negligence upon the landlord, not the new tenant.  

Now that doesn't take into account stock options EXP provides, but I see that as negligible.