And AWS has a ton of crossover knowledge with using any open source operating system (not even just limited to servers but using Linux desktops) and plenty of other deployment systems both hosted and self hosted.
So your expertise is much more easily transferred in or out of AWS. Making the lockin argument less persuasive.
Compared to learning the complex interface of one app like Bubble for building ‘no code’ apps which only has some value to some junior programmers looking for basic expression of ideas to get them motivated and/or some limited mental analogies to the real work of programming.