In the modern world, a proper infrastructure for energy and electricity is one of the most important parts of society, with its reliance on power to function. To protect said infrastructure, you want the generator to have a strong hinge for electrical enclosures, sealing and so forth to make sure that it can keep going without interruption. There's plenty of reasons why even an individual would want a personal generator, though more often you'll see an enclosure for a generator around an industry or any larger building owned by a business. Why a company would want their own generation of electricity is easy to understand, either as backup or simply because they are somewhere that cannot connect to the national power grid. And obviously you want the power to keep going uninterrupted, especially within industries where you want machines to function without pause.
All the small things
Even the smaller things, like a hinge for electrical enclosures, can make a difference in terms of protecting a generator and keep it safe from outside influence, thieves and weather. It's generally better to get high quality, good materials and items when making the electrical enclosure. It needs to meet certain requirements and which ones depends on the circumstances such as temperature, weather and so forth. Any interruption in the flow can have some serious consequences to a company, with loss of data and work. So getting a proper hinge for electrical enclosures, sealing profiles and strong materials should be what you acquire from manufacturer.