From their POV whatever is in their data centers will be microscopically optimized and written in carefully handcrafted Rust and then later covered in blog post

From their POV whatever is in their data centers will be microscopically optimized and written in carefully handcrafted Rust and then later covered in blog posts. For clients their unspoken answer is 'upgrade hardware and stop whining' or 'we have strategic direction to deliver uniform client experience across platforms' which would just mean write some JS/Electron crap.