Go offer your services to these companies and see their answer.

The big IT firms syphon off all the talent with compensation these fridge and supermarket companies can't match. You won't find much talent there. Who is brilliant with computers and would want to work there?

But look also at how underfunded the basic blocks of IT are, how open-source is left to fend for itself. It is the whole culture of modern IT to hack things together and not make them well-defined and reliable.