The article’s understanding of Java’s Virtual Threads is incorrect. Virtual threads have a preemptive concurrency model, not a co-operative one, so suspension points are not only at calls to things like Future.get()
I really hope Fastmail implements the JMAP spec for calendars and contacts soon. They’ve had the mail part of the spec implemented for a while, but it still requires CardDAV/CalDAV for contacts and calendar access.
You don't need to wait according to the changes announced today.
Of course you only get that number if your new target compensation is in line with that number.
So other companies have locked you in to your performance at interview time, while Amazon can give you a 15% paycut each year if your performance isn't high enough to at your offer level.