Many of the qualities being spruiked about Chapek are similar to the qualities shown by Eisner after the death of Frank Wells - but he's well regarded as the guy that saved Disney from bankruptcy and hostile takeovers.
Let's face it - Chapek is in the role because the shareholders like what he's doing - because what he's doing saves money, which ultimately goes to the shareholders.
I've heard some people say his short term gains will hurt the company long term, as it's reducing the quality of 'the show', which is what people flock to Disney for.
The flip side of this is that cuts to navi, GE, GotG, Pixar Pier, the as-yet-to-be-fixed Yeti... - there have been many recent examples of Disney delivering a reduced standard. At the same time, they've increased prices, and attendance has remained 'about the same'.
What do we learn from that? We learn that the Brand has built enough of a reputation that people will keep coming back, even with a lower quality product.... and this tells the shareholders and the executives that they can afford to keep being cheap.
Until people vote with their wallets about the reduced standards, Disney products across the board will continue to be Chapek'd.
Of course, the other theory, is with such big successes in prior years, with the opening of major properties both in the parks division and movie divisions, and the launch of their streaming services and so on and so on, there's not alot slated for this year - so returns to investors this year are likely to be slim. Disney+ is apparently making a loss, Corona has shut down both Hong Kong and Shanghai Parks, and both Tokyo parks are at risk too - this year is looking to be a disaster, and perhaps Iger stepped aside in order to avoid the mud that would stick to the top job.
I don't particularly believe in this theory - Chapek has been groomed for the top job for too long for him to be a simple 'fall guy'... but at the end of the day, all we can do is wait...