Of course, these casinos tend to focus on people who are already interested in cryptocurrencies. They are more likely to design their marketing to appeal to people who are already knowledgeable and passionate about cryptocurrencies. I believe they would emphasize the advantages of using digital assets for gambling. These casinos also actively participate in and interact with online forums, social media platforms, and some online crypto communities. By being present in these areas, they are able to connect with people who have similar interests.
Perhaps some of them are working along with influencers, other projects, or other businesses in the cryptocurrency space to help crypto casinos grow. Of course, collaborative promotions, endorsements, or sponsored events with the potential to shock a larger audience can all be a part of a collaboration.
Since we have both Crypto and non crypto casino, that channel of marketing could be different. Most casinos are more interested in real gamblers that would like to keep using there services for a longer period not a newbie that is only looking for a fast play and bonuses going for the next available casino to try. Marketing is one of the ways of promoting casinos especially in a community that has large audience that are always creating more traffics.
I can tell you that crypto and non crypto casinos are both advertising in the same places, it all depends on the financial capacity of the casinos individually, every casinos all have the same target, and that is to get gamblers, whether the gambler is a crypto or non crypto user have very little meaning, and this is because, a non crypto users can always become a crypto user if he or she fines what he or she likes in a particular casino, he or she can because of that casino buy some crypto just to have a feel of what it's like to play on that particular casino.
It's like myself, i wasnt really into fiat based online casinos, but when I found one offering players a good bonus which i found had to resist, I decided to try out a fiat casino for the first time, and today, I now play on fiat only online casinos from time to time.
I think we are a bit different here, I started gambling with fiat when the cryptocurrency was never been born, and that makes it easy for me to still gamble with it in addition to my crypto gambling till today. The fiat is more convenient for me especially this time when local currencies can be used to deposit and withdraw money. But the moment I started dealing with cryptocurrencies online, it became easy to move money in and out and I've been depositing and withdrawing also with the two for years without issues. Besides, you might be right that crypto-casinos and fiat-casinos are marketing and attracting their customers the same way, this is even as some casinos combine the two (crypto & fiat) together for easy deposit and withdrawal depending on what the customer has in their purse at that point in time. But we must also know that cryptocurrency still allows better offerings for customers which is another point of advertisement.
All the fiat casinos I know today are duly registered in a country, paying taxes and are regulated (strong or weak), so they have limits to their promo offering and have strict documentation. Some people will always go for the no-KYC casinos, and these days, such is only common with the crypto-casinos due to sanctions. So if someone who is not willing to do KYC with casinos can see the "no-KYC" in adverts, it is an added reason why they will shun others and opt for it. Aside from this, I do not think there is a special reason why one will choose between a crypto-casino and a fiat casino, after all, all of them have good marketing strategies, perks and bonuses, good UI and workable gambling platforms, security, customer support and many others you can think of which are what attracts users to gambling platforms.