Weak argument from analogy given the (lacking) degree of relevant similarity. See: On Analogy, A System of Logic by John Stuart Mill for a thorough analysis of analogical reasoning:
Seems to me like they are both dismissive statements about a technology that provides the same thing in a new improved way. But more importantly, linking to a book of logic is an especially poor form of argument.
considering how tenuous the original comment claiming cloud functions are just basic evolution of cgi scripting I think providing similarly poor analogies is quite apt.
https://ebooks.adelaide.edu.au/m/mill/john_stuart/system_of_...