> most software nowadays completely ignores the standards of the system it runs on
Good, sticking to design conventions of the OS may not be a good fit for the specific software (e.g. think about a video editor). And even in more-tame cases, people have different aesthetic preferences (e.g. a minimalist text editor).
My software, a video browser / organizer, looks better than anything I've come across (for my preferences). For example, sticking to OS conventions would have required more padding around everything, decreasing functionality - https://videohubapp.com
Good, sticking to design conventions of the OS may not be a good fit for the specific software (e.g. think about a video editor). And even in more-tame cases, people have different aesthetic preferences (e.g. a minimalist text editor).
My software, a video browser / organizer, looks better than anything I've come across (for my preferences). For example, sticking to OS conventions would have required more padding around everything, decreasing functionality - https://videohubapp.com