Lack of FOSS server software should be a red flag. But the gen Zers largely have a distaste for FOSS -- could not be convinced of the wisdom of using Gnu Octave in school rather than MATLAB.
Official Debian repos only have a Bitlbee plugin for Discord. But that’s only useful to those willing to make the boot-licking compromise of corporate centralisation.
But yes, you are likely spot on. The Tyranny of Convenience is in force and convenience is being prioritised above principles.