The general answer to any "is it worth it" insurance question is "no," because the insurance company is making a profit on the insurance.*
To decide if you want the insurance, you need to figure out how much you can afford to pay if something happens, how much they cover, and how badly you want to transfer your risk to them.
If you won't have trouble coming up with the $4000 deductible should you need to, then don't get this extra insurance.
* I did not mean to imply that insurance is always a bad idea or that insurance companies are cheating their customers. Please let me explain further.
When you buy any product from a business, that business is making a profit. And there is nothing wrong with that at all. They are providing a service and should be compensated for their efforts.
Insurance companies also provide a service, but unlike other types of businesses, their product is monetary. You pay them money now, and they might pay you money later. If they pay you more money then you spent, you came out ahead, and if you spend more money then they give you, it was a loss for you.
In order for the insurance company to make a profit, they need to bring in more money than they pay out. In fact, they need to bring in a lot more money then they pay out, because in addition to their profit, they have all the overhead of running a business.
As a result, on average, you will come out behind when you purchase insurance. This means that when you are on the fence about whether or not to purchase any insurance product, the default choice should be "no." On average, you are financially better off without insurance.
Now, that doesn't mean you should never buy insurance. As mentioned by commenter @xiaomy, insurance companies spread risk across all of their customers. If I am in a situation where I have a risk of financial ruin in a certain circumstance, I can eliminate that risk by purchasing insurance. For example, I have term life insurance, because if I were to pass away, it would be financially catastrophic for my family. (I'm hoping that the insurance company makes 100% profit on that deal!) I also continue to buy expensive health insurance because an unexpected medical event would be financially devastating. However, I always decline the extended warranty when I buy a $300 appliance, because I don't have any trouble coming up with another $300 in the unlikely event that it breaks, and I would rather keep the money than contribute to the profits of an insurance company unnecessarily.
In my original answer above, I pointed out how you would determine whether or not to purchase this particular insurance product. This product pays out a bunch of relatively small amounts for certain events, up to a limit of $4000. Would this $4000 be hard for you to come up with if you needed to? If so, get the insurance. But if you are like me and have an emergency fund in place to handle things like this, then you are financially better off declining this policy.