Record profits and unwilling to provide decent payrises, using the excuse of the pandemic uncertainty.
Switching jobs has now become the path of least resistance to get what you want.
Maybe it's because of all the recent success stories? People are emboldened to take the leap.
Maybe it's because if you're remote working, you're somewhat distanced from the people you're moving away from anyway, it's less uncomfortable than hanging around the office for 3 weeks before you split.