I get why the old timers say they prefer proven technology now. When i had less then 4 years of experience every new framework was worth checking out no maater how unproven it even was.
Not one comment to be found, short, inscrutable variable names, no indenting, and having been stepped on by dozens of junior devs before me.
It was "Voodoo bug fixing." I had to close my eyes, and throw a dart, hoping I got it.
It taught me, very early on, to write good code.
It was an email system; before what's-his-name-The-Nanny's-husband "invented" it.
It's made me rethink the supposed "skill reset" that happens in software which leads to software developers leaving for other roles more often than other engineering disciplines.