[jojobas]

Qt covers 5 of the 6 platforms you named, and many more "etc".

Yes it takes a bit more than a boot camp graduate to code that, and might take a bit more time still.

[lukan]

See?

Your solution requires more dev time and skill - which makes it way more expensive. Basic economics.

The main requirement most devs and users have for an app - that it runs and works reliable. Not that it is the most efficient solution.

[jojobas]

It's the same in any other industry where cheap plastic overtakes all, except and average user can't tell the difference, other than on "my PC is slow" level.

It is everyone's responsibility to not make shit software.

[postalrat]

5 of the 6 isn't a fair comparison