whether you buy domains with your brand name or not (fight against windmills) I mean the situation you have an example page xxcatcasino.net and do you try to have other domains with this name, e.g. xxcatcasino.org xxcatcasino.com etc. the domain name is random of course.
I personally think it's a waste of time, but you can have one or two domains, a back-up for emergencies.