I believe the current times are way better than previous times because back then we had less opportunities and now we have more opportunities and if we avail those opportunities properly then we can literally make some good amount of cash in short time. I've made some good profits in sports betting and I believe anyone who enjoys sports betting and is knowledgeable about it will always consider it as a good thing.
Not too sure what you call opportunities but there are changes in the betting markets in terms of the options and payoffs. Today, gamblers have plethora of options to choose from unlike in the past where the options are limited.
Well, I believe this is where opportunities come into play, as a gambler can choose safe options and win from them. However, most safe options have lower odds, and the gambler, driven by greed, will desire more and ultimately lose.