There are multiple reasons. One of them that doesn't get mentioned much is the incentives of managers. If your team reinvents the wheel, it makes you a "technol

There are multiple reasons. One of them that doesn't get mentioned much is the incentives of managers. If your team reinvents the wheel, it makes you a "technological leader". Customizing an existing standard would mean that the company does not actually need a team of developers, one of them would be enough, which implies that the company does not need you. People keep talking about how the programmers often choose technologies to advance their own CVs, as opposed to doing what is the best for the company. Guess what, managers do analogical things all the time. It is the most reliable way to climb up the corporate ladder.