https://wrapbootstrap.com/theme/triangle-multi-purpose-templ...
but yes, you make an excellent point. Equally I agree with his approach of using a $9 template before validating w customers and working out the business model...not sure what the theme site says about the images licence wise but it's not necessarily a bad abstraction to assume that images included with a template are licenced with it if they aren't watermarked etc.
Especially on a $9 template, the odds of them being properly licensed at that price point, I'd be surprised.
In this case, the author mentions it's an editorial piece for a magazine. ( https://dribbble.com/shots/1553377-Changing-Homes )
The theme authors themeum should be ashamed of themselves though, and it looks like their theme has been swiftly deleted as it is now 404.
Looks like they just shamelessly rip off people's copyright work to put into their themes, first image from one of their premium themes came up on tineye as all rights reserved:
I don't really know if I believe that, but there we are.
Besides, I don't see any attributions to the artists for these images (which is required for all the various Creative Commons licenses).
I highly doubt this theme is legitimate. OP, be wary of using this theme.