Even if the TOS doesn't require this so you can actually sue they would likely have a choice of venue provision that would make it inconvenient for you and/or a choice of law provision that would be favorable to them.
If you have an account at the site it will likely be very hard to get out from under the arbitration/venue/law provisions of the TOS.
If you no longer have an account you will probably have a better chance of escaping the TOS, especially if whatever you want to sue over took place entirely after you deleted your account.