Development is moving away from the IDE to agentic long running workers. I've been using their SDK in this mode - which then forces you to use cursor as model provider. I use a mix of harnesses for different types of agentic tasks and Cursor gets the best results.
Besides delegating the secrets protection to entities that do it well, key rotation is a major benefit to ensure that in the likely event your credentials are leaked (either due to malpractice or a vulnerability) the attack surface will be shortened by the time they can be used by.
The procedure started in 2011 because it was when the Civil Governments (that previously had this responsibility) were extinct by a government led by the current opposition party in order to save costs and create a leaner government.
Journalists have had this information since January and decided doing nothing anything about it.
Also relevant that candidates for local elections are lining up at the moment.
Nevertheless the procedure should have been known by the Mayor and reviewed ages ago.