It's a managerial move; and most of these companies are still quite manager led; it's the reason for frameworks like Angular, which is a manager's tool, not a

It's a managerial move; and most of these companies are still quite manager led; it's the reason for frameworks like Angular, which is a manager's tool, not a developers - the manager can replace one react developer with another, and stay the (fr)agile course; There's probably a bunch of managerial bias as well about the type of person they can control easier; young eager dummies, or folk with experience who know better than be treated badly