Earlier quoted context omitted.
Ahh yet another person who sees the user facing systems as "the product", or worse "the hard part". Sigh.
Which systems are the "hard" parts? Given zero functionality change, how much larger can and should Twitter grow? Is the complication a function of ad revenue, volume of content, user traffic?
And also, there's not just engineering. HR, Accounting, Lawyers, Trust and Safety, it's all there